Home / 7,529.28-10,388.16-4,732.80

Finding the Fourth Proportional to 7,529.28, 10,388.16 and 4,732.80

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Solution

The fourth proportional to 7,529.28, 10,388.16 and 4,732.80 is: 6,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.28 : 10,388.16 = 4,732.80 : x
  2. Step 2: Convert to fraction form
    7,529.28/10,388.16 = 4,732.80/x
  3. Step 3: Cross multiply
    7,529.28x = 10,388.16 × 4,732.80
  4. Step 4: Simplify right side
    7,529.28x = 49,165,083.65
  5. Step 5: Solve for x
    x = 49,165,083.65/7,529.28
  6. Step 6: Final answer
    x = 6,529.85

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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.