Home / 8,766.63-12,097.49-4,989.20

Finding the Fourth Proportional to 8,766.63, 12,097.49 and 4,989.20

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Solution

The fourth proportional to 8,766.63, 12,097.49 and 4,989.20 is: 6,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.63 : 12,097.49 = 4,989.20 : x
  2. Step 2: Convert to fraction form
    8,766.63/12,097.49 = 4,989.20/x
  3. Step 3: Cross multiply
    8,766.63x = 12,097.49 × 4,989.20
  4. Step 4: Simplify right side
    8,766.63x = 60,356,711.67
  5. Step 5: Solve for x
    x = 60,356,711.67/8,766.63
  6. Step 6: Final answer
    x = 6,884.82

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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.