Home / 7,406.09-10,220.39-4,048.91

Finding the Fourth Proportional to 7,406.09, 10,220.39 and 4,048.91

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Solution

The fourth proportional to 7,406.09, 10,220.39 and 4,048.91 is: 5,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.09 : 10,220.39 = 4,048.91 : x
  2. Step 2: Convert to fraction form
    7,406.09/10,220.39 = 4,048.91/x
  3. Step 3: Cross multiply
    7,406.09x = 10,220.39 × 4,048.91
  4. Step 4: Simplify right side
    7,406.09x = 41,381,439.27
  5. Step 5: Solve for x
    x = 41,381,439.27/7,406.09
  6. Step 6: Final answer
    x = 5,587.49

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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.