Home / 8,432.48-11,636.40-4,705.76

Finding the Fourth Proportional to 8,432.48, 11,636.40 and 4,705.76

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Solution

The fourth proportional to 8,432.48, 11,636.40 and 4,705.76 is: 6,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.48 : 11,636.40 = 4,705.76 : x
  2. Step 2: Convert to fraction form
    8,432.48/11,636.40 = 4,705.76/x
  3. Step 3: Cross multiply
    8,432.48x = 11,636.40 × 4,705.76
  4. Step 4: Simplify right side
    8,432.48x = 54,758,105.66
  5. Step 5: Solve for x
    x = 54,758,105.66/8,432.48
  6. Step 6: Final answer
    x = 6,493.71

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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.