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Finding the Fourth Proportional to 9,332.20, 13,998.30 and 4,947.40

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Solution

The fourth proportional to 9,332.20, 13,998.30 and 4,947.40 is: 7,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.20 : 13,998.30 = 4,947.40 : x
  2. Step 2: Convert to fraction form
    9,332.20/13,998.30 = 4,947.40/x
  3. Step 3: Cross multiply
    9,332.20x = 13,998.30 × 4,947.40
  4. Step 4: Simplify right side
    9,332.20x = 69,255,189.42
  5. Step 5: Solve for x
    x = 69,255,189.42/9,332.20
  6. Step 6: Final answer
    x = 7,421.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.