Home / 8,766.20-12,097.45-4,787.43

Finding the Fourth Proportional to 8,766.20, 12,097.45 and 4,787.43

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Solution

The fourth proportional to 8,766.20, 12,097.45 and 4,787.43 is: 6,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.20 : 12,097.45 = 4,787.43 : x
  2. Step 2: Convert to fraction form
    8,766.20/12,097.45 = 4,787.43/x
  3. Step 3: Cross multiply
    8,766.20x = 12,097.45 × 4,787.43
  4. Step 4: Simplify right side
    8,766.20x = 57,915,699.46
  5. Step 5: Solve for x
    x = 57,915,699.46/8,766.20
  6. Step 6: Final answer
    x = 6,606.71

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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.