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Finding the Fourth Proportional to 8,585.53, 12,875.50 and 2,740.75

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Solution

The fourth proportional to 8,585.53, 12,875.50 and 2,740.75 is: 4,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.53 : 12,875.50 = 2,740.75 : x
  2. Step 2: Convert to fraction form
    8,585.53/12,875.50 = 2,740.75/x
  3. Step 3: Cross multiply
    8,585.53x = 12,875.50 × 2,740.75
  4. Step 4: Simplify right side
    8,585.53x = 35,288,526.63
  5. Step 5: Solve for x
    x = 35,288,526.63/8,585.53
  6. Step 6: Final answer
    x = 4,110.23

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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.