Home / 8,158.83-11,266.08-5,179.95

Finding the Fourth Proportional to 8,158.83, 11,266.08 and 5,179.95

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Solution

The fourth proportional to 8,158.83, 11,266.08 and 5,179.95 is: 7,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.83 : 11,266.08 = 5,179.95 : x
  2. Step 2: Convert to fraction form
    8,158.83/11,266.08 = 5,179.95/x
  3. Step 3: Cross multiply
    8,158.83x = 11,266.08 × 5,179.95
  4. Step 4: Simplify right side
    8,158.83x = 58,357,731.10
  5. Step 5: Solve for x
    x = 58,357,731.10/8,158.83
  6. Step 6: Final answer
    x = 7,152.71

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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.