Home / 7,955.28-10,982.24-4,972.76

Finding the Fourth Proportional to 7,955.28, 10,982.24 and 4,972.76

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Solution

The fourth proportional to 7,955.28, 10,982.24 and 4,972.76 is: 6,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.28 : 10,982.24 = 4,972.76 : x
  2. Step 2: Convert to fraction form
    7,955.28/10,982.24 = 4,972.76/x
  3. Step 3: Cross multiply
    7,955.28x = 10,982.24 × 4,972.76
  4. Step 4: Simplify right side
    7,955.28x = 54,612,043.78
  5. Step 5: Solve for x
    x = 54,612,043.78/7,955.28
  6. Step 6: Final answer
    x = 6,864.88

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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.