Home / 8,434.78-12,652.32-2,591.44

Finding the Fourth Proportional to 8,434.78, 12,652.32 and 2,591.44

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Solution

The fourth proportional to 8,434.78, 12,652.32 and 2,591.44 is: 3,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.78 : 12,652.32 = 2,591.44 : x
  2. Step 2: Convert to fraction form
    8,434.78/12,652.32 = 2,591.44/x
  3. Step 3: Cross multiply
    8,434.78x = 12,652.32 × 2,591.44
  4. Step 4: Simplify right side
    8,434.78x = 32,787,728.14
  5. Step 5: Solve for x
    x = 32,787,728.14/8,434.78
  6. Step 6: Final answer
    x = 3,887.21

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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.