Home / 7,385.97-10,192.59-4,242.27

Finding the Fourth Proportional to 7,385.97, 10,192.59 and 4,242.27

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Solution

The fourth proportional to 7,385.97, 10,192.59 and 4,242.27 is: 5,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.97 : 10,192.59 = 4,242.27 : x
  2. Step 2: Convert to fraction form
    7,385.97/10,192.59 = 4,242.27/x
  3. Step 3: Cross multiply
    7,385.97x = 10,192.59 × 4,242.27
  4. Step 4: Simplify right side
    7,385.97x = 43,239,718.78
  5. Step 5: Solve for x
    x = 43,239,718.78/7,385.97
  6. Step 6: Final answer
    x = 5,854.30

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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.