Home / 8,599.20-12,898.83-3,665.70

Finding the Fourth Proportional to 8,599.20, 12,898.83 and 3,665.70

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Solution

The fourth proportional to 8,599.20, 12,898.83 and 3,665.70 is: 5,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.20 : 12,898.83 = 3,665.70 : x
  2. Step 2: Convert to fraction form
    8,599.20/12,898.83 = 3,665.70/x
  3. Step 3: Cross multiply
    8,599.20x = 12,898.83 × 3,665.70
  4. Step 4: Simplify right side
    8,599.20x = 47,283,167.47
  5. Step 5: Solve for x
    x = 47,283,167.47/8,599.20
  6. Step 6: Final answer
    x = 5,498.55

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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.