Home / 8,344.48-12,515.76-2,188.96

Finding the Fourth Proportional to 8,344.48, 12,515.76 and 2,188.96

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Solution

The fourth proportional to 8,344.48, 12,515.76 and 2,188.96 is: 3,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.48 : 12,515.76 = 2,188.96 : x
  2. Step 2: Convert to fraction form
    8,344.48/12,515.76 = 2,188.96/x
  3. Step 3: Cross multiply
    8,344.48x = 12,515.76 × 2,188.96
  4. Step 4: Simplify right side
    8,344.48x = 27,396,498.01
  5. Step 5: Solve for x
    x = 27,396,498.01/8,344.48
  6. Step 6: Final answer
    x = 3,283.19

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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.