Home / 7,542.38-10,418.46-6,287.54

Finding the Fourth Proportional to 7,542.38, 10,418.46 and 6,287.54

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Solution

The fourth proportional to 7,542.38, 10,418.46 and 6,287.54 is: 8,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.38 : 10,418.46 = 6,287.54 : x
  2. Step 2: Convert to fraction form
    7,542.38/10,418.46 = 6,287.54/x
  3. Step 3: Cross multiply
    7,542.38x = 10,418.46 × 6,287.54
  4. Step 4: Simplify right side
    7,542.38x = 65,506,483.99
  5. Step 5: Solve for x
    x = 65,506,483.99/7,542.38
  6. Step 6: Final answer
    x = 8,685.12

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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.