Home / 8,084.56-12,126.28-3,153.28

Finding the Fourth Proportional to 8,084.56, 12,126.28 and 3,153.28

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Solution

The fourth proportional to 8,084.56, 12,126.28 and 3,153.28 is: 4,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.56 : 12,126.28 = 3,153.28 : x
  2. Step 2: Convert to fraction form
    8,084.56/12,126.28 = 3,153.28/x
  3. Step 3: Cross multiply
    8,084.56x = 12,126.28 × 3,153.28
  4. Step 4: Simplify right side
    8,084.56x = 38,237,556.20
  5. Step 5: Solve for x
    x = 38,237,556.20/8,084.56
  6. Step 6: Final answer
    x = 4,729.70

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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.