Home / 8,158.89-11,258.28-4,621.22

Finding the Fourth Proportional to 8,158.89, 11,258.28 and 4,621.22

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Solution

The fourth proportional to 8,158.89, 11,258.28 and 4,621.22 is: 6,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.89 : 11,258.28 = 4,621.22 : x
  2. Step 2: Convert to fraction form
    8,158.89/11,258.28 = 4,621.22/x
  3. Step 3: Cross multiply
    8,158.89x = 11,258.28 × 4,621.22
  4. Step 4: Simplify right side
    8,158.89x = 52,026,988.70
  5. Step 5: Solve for x
    x = 52,026,988.70/8,158.89
  6. Step 6: Final answer
    x = 6,376.72

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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.