Home / 7,143.24-10,716.48-3,248.76

Finding the Fourth Proportional to 7,143.24, 10,716.48 and 3,248.76

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Solution

The fourth proportional to 7,143.24, 10,716.48 and 3,248.76 is: 4,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.24 : 10,716.48 = 3,248.76 : x
  2. Step 2: Convert to fraction form
    7,143.24/10,716.48 = 3,248.76/x
  3. Step 3: Cross multiply
    7,143.24x = 10,716.48 × 3,248.76
  4. Step 4: Simplify right side
    7,143.24x = 34,815,271.56
  5. Step 5: Solve for x
    x = 34,815,271.56/7,143.24
  6. Step 6: Final answer
    x = 4,873.88

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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.