Home / 7,406.16-10,220.61-4,422.25

Finding the Fourth Proportional to 7,406.16, 10,220.61 and 4,422.25

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Solution

The fourth proportional to 7,406.16, 10,220.61 and 4,422.25 is: 6,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.16 : 10,220.61 = 4,422.25 : x
  2. Step 2: Convert to fraction form
    7,406.16/10,220.61 = 4,422.25/x
  3. Step 3: Cross multiply
    7,406.16x = 10,220.61 × 4,422.25
  4. Step 4: Simplify right side
    7,406.16x = 45,198,103.63
  5. Step 5: Solve for x
    x = 45,198,103.63/7,406.16
  6. Step 6: Final answer
    x = 6,102.78

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Double scale
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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.