Home / 8,158.38-11,258.56-4,432.38

Finding the Fourth Proportional to 8,158.38, 11,258.56 and 4,432.38

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Solution

The fourth proportional to 8,158.38, 11,258.56 and 4,432.38 is: 6,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.38 : 11,258.56 = 4,432.38 : x
  2. Step 2: Convert to fraction form
    8,158.38/11,258.56 = 4,432.38/x
  3. Step 3: Cross multiply
    8,158.38x = 11,258.56 × 4,432.38
  4. Step 4: Simplify right side
    8,158.38x = 49,902,216.17
  5. Step 5: Solve for x
    x = 49,902,216.17/8,158.38
  6. Step 6: Final answer
    x = 6,116.68

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Half scale
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Double scale
Find fourth proportional to 8,159.38, 11,259.94 and 4,433.38
Similar ratio
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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.