Home / 8,158.40-11,253.12-5,010.56

Finding the Fourth Proportional to 8,158.40, 11,253.12 and 5,010.56

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Solution

The fourth proportional to 8,158.40, 11,253.12 and 5,010.56 is: 6,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.40 : 11,253.12 = 5,010.56 : x
  2. Step 2: Convert to fraction form
    8,158.40/11,253.12 = 5,010.56/x
  3. Step 3: Cross multiply
    8,158.40x = 11,253.12 × 5,010.56
  4. Step 4: Simplify right side
    8,158.40x = 56,384,432.95
  5. Step 5: Solve for x
    x = 56,384,432.95/8,158.40
  6. Step 6: Final answer
    x = 6,911.21

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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.