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Finding the Fourth Proportional to 8,598.65, 12,898.02 and 3,915.39

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Solution

The fourth proportional to 8,598.65, 12,898.02 and 3,915.39 is: 5,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.65 : 12,898.02 = 3,915.39 : x
  2. Step 2: Convert to fraction form
    8,598.65/12,898.02 = 3,915.39/x
  3. Step 3: Cross multiply
    8,598.65x = 12,898.02 × 3,915.39
  4. Step 4: Simplify right side
    8,598.65x = 50,500,714.04
  5. Step 5: Solve for x
    x = 50,500,714.04/8,598.65
  6. Step 6: Final answer
    x = 5,873.10

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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.