Home / 8,872.47-13,311.02-3,325.89

Finding the Fourth Proportional to 8,872.47, 13,311.02 and 3,325.89

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Solution

The fourth proportional to 8,872.47, 13,311.02 and 3,325.89 is: 4,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.47 : 13,311.02 = 3,325.89 : x
  2. Step 2: Convert to fraction form
    8,872.47/13,311.02 = 3,325.89/x
  3. Step 3: Cross multiply
    8,872.47x = 13,311.02 × 3,325.89
  4. Step 4: Simplify right side
    8,872.47x = 44,270,971.68
  5. Step 5: Solve for x
    x = 44,270,971.68/8,872.47
  6. Step 6: Final answer
    x = 4,989.70

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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.