Home / 8,445.16-12,662.88-2,600.20

Finding the Fourth Proportional to 8,445.16, 12,662.88 and 2,600.20

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Solution

The fourth proportional to 8,445.16, 12,662.88 and 2,600.20 is: 3,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.16 : 12,662.88 = 2,600.20 : x
  2. Step 2: Convert to fraction form
    8,445.16/12,662.88 = 2,600.20/x
  3. Step 3: Cross multiply
    8,445.16x = 12,662.88 × 2,600.20
  4. Step 4: Simplify right side
    8,445.16x = 32,926,020.58
  5. Step 5: Solve for x
    x = 32,926,020.58/8,445.16
  6. Step 6: Final answer
    x = 3,898.80

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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.