Home / 8,432.20-11,631.60-4,894.96

Finding the Fourth Proportional to 8,432.20, 11,631.60 and 4,894.96

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Solution

The fourth proportional to 8,432.20, 11,631.60 and 4,894.96 is: 6,752.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.20 : 11,631.60 = 4,894.96 : x
  2. Step 2: Convert to fraction form
    8,432.20/11,631.60 = 4,894.96/x
  3. Step 3: Cross multiply
    8,432.20x = 11,631.60 × 4,894.96
  4. Step 4: Simplify right side
    8,432.20x = 56,936,216.74
  5. Step 5: Solve for x
    x = 56,936,216.74/8,432.20
  6. Step 6: Final answer
    x = 6,752.24

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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.