Home / 8,153.61-11,251.35-4,617.15

Finding the Fourth Proportional to 8,153.61, 11,251.35 and 4,617.15

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Solution

The fourth proportional to 8,153.61, 11,251.35 and 4,617.15 is: 6,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.61 : 11,251.35 = 4,617.15 : x
  2. Step 2: Convert to fraction form
    8,153.61/11,251.35 = 4,617.15/x
  3. Step 3: Cross multiply
    8,153.61x = 11,251.35 × 4,617.15
  4. Step 4: Simplify right side
    8,153.61x = 51,949,170.65
  5. Step 5: Solve for x
    x = 51,949,170.65/8,153.61
  6. Step 6: Final answer
    x = 6,371.31

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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.