Home / 8,158.66-11,258.29-4,621.79

Finding the Fourth Proportional to 8,158.66, 11,258.29 and 4,621.79

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Solution

The fourth proportional to 8,158.66, 11,258.29 and 4,621.79 is: 6,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.66 : 11,258.29 = 4,621.79 : x
  2. Step 2: Convert to fraction form
    8,158.66/11,258.29 = 4,621.79/x
  3. Step 3: Cross multiply
    8,158.66x = 11,258.29 × 4,621.79
  4. Step 4: Simplify right side
    8,158.66x = 52,033,486.06
  5. Step 5: Solve for x
    x = 52,033,486.06/8,158.66
  6. Step 6: Final answer
    x = 6,377.70

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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.