Home / 7,788.24-10,747.88-4,251.56

Finding the Fourth Proportional to 7,788.24, 10,747.88 and 4,251.56

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Solution

The fourth proportional to 7,788.24, 10,747.88 and 4,251.56 is: 5,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.24 : 10,747.88 = 4,251.56 : x
  2. Step 2: Convert to fraction form
    7,788.24/10,747.88 = 4,251.56/x
  3. Step 3: Cross multiply
    7,788.24x = 10,747.88 × 4,251.56
  4. Step 4: Simplify right side
    7,788.24x = 45,695,256.69
  5. Step 5: Solve for x
    x = 45,695,256.69/7,788.24
  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.