Home / 7,788.25-10,747.92-4,251.55

Finding the Fourth Proportional to 7,788.25, 10,747.92 and 4,251.55

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Solution

The fourth proportional to 7,788.25, 10,747.92 and 4,251.55 is: 5,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.25 : 10,747.92 = 4,251.55 : x
  2. Step 2: Convert to fraction form
    7,788.25/10,747.92 = 4,251.55/x
  3. Step 3: Cross multiply
    7,788.25x = 10,747.92 × 4,251.55
  4. Step 4: Simplify right side
    7,788.25x = 45,695,319.28
  5. Step 5: Solve for x
    x = 45,695,319.28/7,788.25
  6. Step 6: Final answer
    x = 5,867.21

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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.