Home / 8,158.25-11,258.39-4,432.25

Finding the Fourth Proportional to 8,158.25, 11,258.39 and 4,432.25

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Solution

The fourth proportional to 8,158.25, 11,258.39 and 4,432.25 is: 6,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.25 : 11,258.39 = 4,432.25 : x
  2. Step 2: Convert to fraction form
    8,158.25/11,258.39 = 4,432.25/x
  3. Step 3: Cross multiply
    8,158.25x = 11,258.39 × 4,432.25
  4. Step 4: Simplify right side
    8,158.25x = 49,899,999.08
  5. Step 5: Solve for x
    x = 49,899,999.08/8,158.25
  6. Step 6: Final answer
    x = 6,116.51

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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.