Home / 7,509.28-11,262.96-3,125.92

Finding the Fourth Proportional to 7,509.28, 11,262.96 and 3,125.92

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Solution

The fourth proportional to 7,509.28, 11,262.96 and 3,125.92 is: 4,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.28 : 11,262.96 = 3,125.92 : x
  2. Step 2: Convert to fraction form
    7,509.28/11,262.96 = 3,125.92/x
  3. Step 3: Cross multiply
    7,509.28x = 11,262.96 × 3,125.92
  4. Step 4: Simplify right side
    7,509.28x = 35,207,111.92
  5. Step 5: Solve for x
    x = 35,207,111.92/7,509.28
  6. Step 6: Final answer
    x = 4,688.48

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Similar ratio
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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.