Home / 6,363.49-8,781.59-3,531.29

Finding the Fourth Proportional to 6,363.49, 8,781.59 and 3,531.29

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Solution

The fourth proportional to 6,363.49, 8,781.59 and 3,531.29 is: 4,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.49 : 8,781.59 = 3,531.29 : x
  2. Step 2: Convert to fraction form
    6,363.49/8,781.59 = 3,531.29/x
  3. Step 3: Cross multiply
    6,363.49x = 8,781.59 × 3,531.29
  4. Step 4: Simplify right side
    6,363.49x = 31,010,371.73
  5. Step 5: Solve for x
    x = 31,010,371.73/6,363.49
  6. Step 6: Final answer
    x = 4,873.17

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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.