Home / 8,747.60-13,099.32-5,235.44

Finding the Fourth Proportional to 8,747.60, 13,099.32 and 5,235.44

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Solution

The fourth proportional to 8,747.60, 13,099.32 and 5,235.44 is: 7,839.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.60 : 13,099.32 = 5,235.44 : x
  2. Step 2: Convert to fraction form
    8,747.60/13,099.32 = 5,235.44/x
  3. Step 3: Cross multiply
    8,747.60x = 13,099.32 × 5,235.44
  4. Step 4: Simplify right side
    8,747.60x = 68,580,703.90
  5. Step 5: Solve for x
    x = 68,580,703.90/8,747.60
  6. Step 6: Final answer
    x = 7,839.95

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1.5x scale

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.