Home / 7,310.28-10,964.47-2,927.78

Finding the Fourth Proportional to 7,310.28, 10,964.47 and 2,927.78

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Solution

The fourth proportional to 7,310.28, 10,964.47 and 2,927.78 is: 4,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310.28 : 10,964.47 = 2,927.78 : x
  2. Step 2: Convert to fraction form
    7,310.28/10,964.47 = 2,927.78/x
  3. Step 3: Cross multiply
    7,310.28x = 10,964.47 × 2,927.78
  4. Step 4: Simplify right side
    7,310.28x = 32,101,555.98
  5. Step 5: Solve for x
    x = 32,101,555.98/7,310.28
  6. Step 6: Final answer
    x = 4,391.29

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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.