Home / 7,491.90-11,234.61-5,761.74

Finding the Fourth Proportional to 7,491.90, 11,234.61 and 5,761.74

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Solution

The fourth proportional to 7,491.90, 11,234.61 and 5,761.74 is: 8,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.90 : 11,234.61 = 5,761.74 : x
  2. Step 2: Convert to fraction form
    7,491.90/11,234.61 = 5,761.74/x
  3. Step 3: Cross multiply
    7,491.90x = 11,234.61 × 5,761.74
  4. Step 4: Simplify right side
    7,491.90x = 64,730,901.82
  5. Step 5: Solve for x
    x = 64,730,901.82/7,491.90
  6. Step 6: Final answer
    x = 8,640.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.