Home / 8,418.76-11,618.88-5,063.29

Finding the Fourth Proportional to 8,418.76, 11,618.88 and 5,063.29

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Solution

The fourth proportional to 8,418.76, 11,618.88 and 5,063.29 is: 6,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.76 : 11,618.88 = 5,063.29 : x
  2. Step 2: Convert to fraction form
    8,418.76/11,618.88 = 5,063.29/x
  3. Step 3: Cross multiply
    8,418.76x = 11,618.88 × 5,063.29
  4. Step 4: Simplify right side
    8,418.76x = 58,829,758.92
  5. Step 5: Solve for x
    x = 58,829,758.92/8,418.76
  6. Step 6: Final answer
    x = 6,987.94

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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.