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Finding the Fourth Proportional to 9,097.44, 12,500.04 and 7,231.20

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Solution

The fourth proportional to 9,097.44, 12,500.04 and 7,231.20 is: 9,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.44 : 12,500.04 = 7,231.20 : x
  2. Step 2: Convert to fraction form
    9,097.44/12,500.04 = 7,231.20/x
  3. Step 3: Cross multiply
    9,097.44x = 12,500.04 × 7,231.20
  4. Step 4: Simplify right side
    9,097.44x = 90,390,289.25
  5. Step 5: Solve for x
    x = 90,390,289.25/9,097.44
  6. Step 6: Final answer
    x = 9,935.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.