Home / 7,489.20-11,236.08-5,302.16

Finding the Fourth Proportional to 7,489.20, 11,236.08 and 5,302.16

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Solution

The fourth proportional to 7,489.20, 11,236.08 and 5,302.16 is: 7,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.20 : 11,236.08 = 5,302.16 : x
  2. Step 2: Convert to fraction form
    7,489.20/11,236.08 = 5,302.16/x
  3. Step 3: Cross multiply
    7,489.20x = 11,236.08 × 5,302.16
  4. Step 4: Simplify right side
    7,489.20x = 59,575,493.93
  5. Step 5: Solve for x
    x = 59,575,493.93/7,489.20
  6. Step 6: Final answer
    x = 7,954.85

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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.