Home / 7,529.10-10,389.42-4,342.92

Finding the Fourth Proportional to 7,529.10, 10,389.42 and 4,342.92

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Solution

The fourth proportional to 7,529.10, 10,389.42 and 4,342.92 is: 5,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.10 : 10,389.42 = 4,342.92 : x
  2. Step 2: Convert to fraction form
    7,529.10/10,389.42 = 4,342.92/x
  3. Step 3: Cross multiply
    7,529.10x = 10,389.42 × 4,342.92
  4. Step 4: Simplify right side
    7,529.10x = 45,120,419.91
  5. Step 5: Solve for x
    x = 45,120,419.91/7,529.10
  6. Step 6: Final answer
    x = 5,992.80

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Double scale
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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.