Home / 7,553.91-10,428.18-4,722.85

Finding the Fourth Proportional to 7,553.91, 10,428.18 and 4,722.85

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Solution

The fourth proportional to 7,553.91, 10,428.18 and 4,722.85 is: 6,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.91 : 10,428.18 = 4,722.85 : x
  2. Step 2: Convert to fraction form
    7,553.91/10,428.18 = 4,722.85/x
  3. Step 3: Cross multiply
    7,553.91x = 10,428.18 × 4,722.85
  4. Step 4: Simplify right side
    7,553.91x = 49,250,729.91
  5. Step 5: Solve for x
    x = 49,250,729.91/7,553.91
  6. Step 6: Final answer
    x = 6,519.90

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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.