Home / 7,491.38-10,338.48-4,508.15

Finding the Fourth Proportional to 7,491.38, 10,338.48 and 4,508.15

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Solution

The fourth proportional to 7,491.38, 10,338.48 and 4,508.15 is: 6,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.38 : 10,338.48 = 4,508.15 : x
  2. Step 2: Convert to fraction form
    7,491.38/10,338.48 = 4,508.15/x
  3. Step 3: Cross multiply
    7,491.38x = 10,338.48 × 4,508.15
  4. Step 4: Simplify right side
    7,491.38x = 46,607,366.92
  5. Step 5: Solve for x
    x = 46,607,366.92/7,491.38
  6. Step 6: Final answer
    x = 6,221.47

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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.