Home / 5,507.60-8,213.62-4,691.12

Finding the Fourth Proportional to 5,507.60, 8,213.62 and 4,691.12

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Solution

The fourth proportional to 5,507.60, 8,213.62 and 4,691.12 is: 6,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.60 : 8,213.62 = 4,691.12 : x
  2. Step 2: Convert to fraction form
    5,507.60/8,213.62 = 4,691.12/x
  3. Step 3: Cross multiply
    5,507.60x = 8,213.62 × 4,691.12
  4. Step 4: Simplify right side
    5,507.60x = 38,531,077.05
  5. Step 5: Solve for x
    x = 38,531,077.05/5,507.60
  6. Step 6: Final answer
    x = 6,995.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.