Home / 7,458.91-11,188.40-2,264.78

Finding the Fourth Proportional to 7,458.91, 11,188.40 and 2,264.78

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Solution

The fourth proportional to 7,458.91, 11,188.40 and 2,264.78 is: 3,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.91 : 11,188.40 = 2,264.78 : x
  2. Step 2: Convert to fraction form
    7,458.91/11,188.40 = 2,264.78/x
  3. Step 3: Cross multiply
    7,458.91x = 11,188.40 × 2,264.78
  4. Step 4: Simplify right side
    7,458.91x = 25,339,281.20
  5. Step 5: Solve for x
    x = 25,339,281.20/7,458.91
  6. Step 6: Final answer
    x = 3,397.18

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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.