Home / 8,153.66-11,251.72-4,616.95

Finding the Fourth Proportional to 8,153.66, 11,251.72 and 4,616.95

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Solution

The fourth proportional to 8,153.66, 11,251.72 and 4,616.95 is: 6,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.66 : 11,251.72 = 4,616.95 : x
  2. Step 2: Convert to fraction form
    8,153.66/11,251.72 = 4,616.95/x
  3. Step 3: Cross multiply
    8,153.66x = 11,251.72 × 4,616.95
  4. Step 4: Simplify right side
    8,153.66x = 51,948,628.65
  5. Step 5: Solve for x
    x = 51,948,628.65/8,153.66
  6. Step 6: Final answer
    x = 6,371.20

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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.