Home / 9,063.80-12,508.68-5,287.88

Finding the Fourth Proportional to 9,063.80, 12,508.68 and 5,287.88

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Solution

The fourth proportional to 9,063.80, 12,508.68 and 5,287.88 is: 7,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.80 : 12,508.68 = 5,287.88 : x
  2. Step 2: Convert to fraction form
    9,063.80/12,508.68 = 5,287.88/x
  3. Step 3: Cross multiply
    9,063.80x = 12,508.68 × 5,287.88
  4. Step 4: Simplify right side
    9,063.80x = 66,144,398.80
  5. Step 5: Solve for x
    x = 66,144,398.80/9,063.80
  6. Step 6: Final answer
    x = 7,297.65

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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.