Home / 8,671.64-13,002.57-5,902.02

Finding the Fourth Proportional to 8,671.64, 13,002.57 and 5,902.02

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Solution

The fourth proportional to 8,671.64, 13,002.57 and 5,902.02 is: 8,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.64 : 13,002.57 = 5,902.02 : x
  2. Step 2: Convert to fraction form
    8,671.64/13,002.57 = 5,902.02/x
  3. Step 3: Cross multiply
    8,671.64x = 13,002.57 × 5,902.02
  4. Step 4: Simplify right side
    8,671.64x = 76,741,428.19
  5. Step 5: Solve for x
    x = 76,741,428.19/8,671.64
  6. Step 6: Final answer
    x = 8,849.71

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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.