Home / 7,521.28-11,283.68-2,326.88

Finding the Fourth Proportional to 7,521.28, 11,283.68 and 2,326.88

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Solution

The fourth proportional to 7,521.28, 11,283.68 and 2,326.88 is: 3,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.28 : 11,283.68 = 2,326.88 : x
  2. Step 2: Convert to fraction form
    7,521.28/11,283.68 = 2,326.88/x
  3. Step 3: Cross multiply
    7,521.28x = 11,283.68 × 2,326.88
  4. Step 4: Simplify right side
    7,521.28x = 26,255,769.32
  5. Step 5: Solve for x
    x = 26,255,769.32/7,521.28
  6. Step 6: Final answer
    x = 3,490.86

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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.