Home / 5,356.08-8,034.12-2,759.76

Finding the Fourth Proportional to 5,356.08, 8,034.12 and 2,759.76

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Solution

The fourth proportional to 5,356.08, 8,034.12 and 2,759.76 is: 4,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.08 : 8,034.12 = 2,759.76 : x
  2. Step 2: Convert to fraction form
    5,356.08/8,034.12 = 2,759.76/x
  3. Step 3: Cross multiply
    5,356.08x = 8,034.12 × 2,759.76
  4. Step 4: Simplify right side
    5,356.08x = 22,172,243.01
  5. Step 5: Solve for x
    x = 22,172,243.01/5,356.08
  6. Step 6: Final answer
    x = 4,139.64

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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.