Home / 4,353.28-6,529.92-1,275.28

Finding the Fourth Proportional to 4,353.28, 6,529.92 and 1,275.28

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Solution

The fourth proportional to 4,353.28, 6,529.92 and 1,275.28 is: 1,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.28 : 6,529.92 = 1,275.28 : x
  2. Step 2: Convert to fraction form
    4,353.28/6,529.92 = 1,275.28/x
  3. Step 3: Cross multiply
    4,353.28x = 6,529.92 × 1,275.28
  4. Step 4: Simplify right side
    4,353.28x = 8,327,476.38
  5. Step 5: Solve for x
    x = 8,327,476.38/4,353.28
  6. Step 6: Final answer
    x = 1,912.92

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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.