Home / 8,755.60-13,122.45-4,374.28

Finding the Fourth Proportional to 8,755.60, 13,122.45 and 4,374.28

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Solution

The fourth proportional to 8,755.60, 13,122.45 and 4,374.28 is: 6,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.60 : 13,122.45 = 4,374.28 : x
  2. Step 2: Convert to fraction form
    8,755.60/13,122.45 = 4,374.28/x
  3. Step 3: Cross multiply
    8,755.60x = 13,122.45 × 4,374.28
  4. Step 4: Simplify right side
    8,755.60x = 57,401,270.59
  5. Step 5: Solve for x
    x = 57,401,270.59/8,755.60
  6. Step 6: Final answer
    x = 6,555.95

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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.