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Finding the Fourth Proportional to 9,332.92, 13,992.42 and 4,399.75

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Solution

The fourth proportional to 9,332.92, 13,992.42 and 4,399.75 is: 6,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.92 : 13,992.42 = 4,399.75 : x
  2. Step 2: Convert to fraction form
    9,332.92/13,992.42 = 4,399.75/x
  3. Step 3: Cross multiply
    9,332.92x = 13,992.42 × 4,399.75
  4. Step 4: Simplify right side
    9,332.92x = 61,563,079.93
  5. Step 5: Solve for x
    x = 61,563,079.93/9,332.92
  6. Step 6: Final answer
    x = 6,596.34

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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.