Home / 8,781.44-13,169.46-4,619.18

Finding the Fourth Proportional to 8,781.44, 13,169.46 and 4,619.18

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Solution

The fourth proportional to 8,781.44, 13,169.46 and 4,619.18 is: 6,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.44 : 13,169.46 = 4,619.18 : x
  2. Step 2: Convert to fraction form
    8,781.44/13,169.46 = 4,619.18/x
  3. Step 3: Cross multiply
    8,781.44x = 13,169.46 × 4,619.18
  4. Step 4: Simplify right side
    8,781.44x = 60,832,139.17
  5. Step 5: Solve for x
    x = 60,832,139.17/8,781.44
  6. Step 6: Final answer
    x = 6,927.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.