Home / 8,434.40-12,652.02-2,887.52

Finding the Fourth Proportional to 8,434.40, 12,652.02 and 2,887.52

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Solution

The fourth proportional to 8,434.40, 12,652.02 and 2,887.52 is: 4,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.40 : 12,652.02 = 2,887.52 : x
  2. Step 2: Convert to fraction form
    8,434.40/12,652.02 = 2,887.52/x
  3. Step 3: Cross multiply
    8,434.40x = 12,652.02 × 2,887.52
  4. Step 4: Simplify right side
    8,434.40x = 36,532,960.79
  5. Step 5: Solve for x
    x = 36,532,960.79/8,434.40
  6. Step 6: Final answer
    x = 4,331.42

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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.