Home / 7,377.19-11,057.77-3,631.55

Finding the Fourth Proportional to 7,377.19, 11,057.77 and 3,631.55

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Solution

The fourth proportional to 7,377.19, 11,057.77 and 3,631.55 is: 5,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.19 : 11,057.77 = 3,631.55 : x
  2. Step 2: Convert to fraction form
    7,377.19/11,057.77 = 3,631.55/x
  3. Step 3: Cross multiply
    7,377.19x = 11,057.77 × 3,631.55
  4. Step 4: Simplify right side
    7,377.19x = 40,156,780.28
  5. Step 5: Solve for x
    x = 40,156,780.28/7,377.19
  6. Step 6: Final answer
    x = 5,443.37

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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.