Home / 7,406.91-10,221.47-4,049.69

Finding the Fourth Proportional to 7,406.91, 10,221.47 and 4,049.69

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Solution

The fourth proportional to 7,406.91, 10,221.47 and 4,049.69 is: 5,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.91 : 10,221.47 = 4,049.69 : x
  2. Step 2: Convert to fraction form
    7,406.91/10,221.47 = 4,049.69/x
  3. Step 3: Cross multiply
    7,406.91x = 10,221.47 × 4,049.69
  4. Step 4: Simplify right side
    7,406.91x = 41,393,746.03
  5. Step 5: Solve for x
    x = 41,393,746.03/7,406.91
  6. Step 6: Final answer
    x = 5,588.53

Related Problems

Find fourth proportional to 3,703.46, 5,110.73 and 2,024.84
Half scale
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Double scale
Find fourth proportional to 7,407.91, 10,222.85 and 4,050.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.