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Finding the Fourth Proportional to 8,932.85, 12,327.14 and 4,953.93

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Solution

The fourth proportional to 8,932.85, 12,327.14 and 4,953.93 is: 6,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.85 : 12,327.14 = 4,953.93 : x
  2. Step 2: Convert to fraction form
    8,932.85/12,327.14 = 4,953.93/x
  3. Step 3: Cross multiply
    8,932.85x = 12,327.14 × 4,953.93
  4. Step 4: Simplify right side
    8,932.85x = 61,067,763.89
  5. Step 5: Solve for x
    x = 61,067,763.89/8,932.85
  6. Step 6: Final answer
    x = 6,836.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.