Home / 8,432.60-11,640.26-7,546.86

Finding the Fourth Proportional to 8,432.60, 11,640.26 and 7,546.86

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Solution

The fourth proportional to 8,432.60, 11,640.26 and 7,546.86 is: 10,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.60 : 11,640.26 = 7,546.86 : x
  2. Step 2: Convert to fraction form
    8,432.60/11,640.26 = 7,546.86/x
  3. Step 3: Cross multiply
    8,432.60x = 11,640.26 × 7,546.86
  4. Step 4: Simplify right side
    8,432.60x = 87,847,374.85
  5. Step 5: Solve for x
    x = 87,847,374.85/8,432.60
  6. Step 6: Final answer
    x = 10,417.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.