Home / 5,177.52-7,764.48-2,805.12

Finding the Fourth Proportional to 5,177.52, 7,764.48 and 2,805.12

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Solution

The fourth proportional to 5,177.52, 7,764.48 and 2,805.12 is: 4,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.52 : 7,764.48 = 2,805.12 : x
  2. Step 2: Convert to fraction form
    5,177.52/7,764.48 = 2,805.12/x
  3. Step 3: Cross multiply
    5,177.52x = 7,764.48 × 2,805.12
  4. Step 4: Simplify right side
    5,177.52x = 21,780,298.14
  5. Step 5: Solve for x
    x = 21,780,298.14/5,177.52
  6. Step 6: Final answer
    x = 4,206.70

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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.