Home / 5,302.80-7,956.30-2,016.78

Finding the Fourth Proportional to 5,302.80, 7,956.30 and 2,016.78

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Solution

The fourth proportional to 5,302.80, 7,956.30 and 2,016.78 is: 3,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.80 : 7,956.30 = 2,016.78 : x
  2. Step 2: Convert to fraction form
    5,302.80/7,956.30 = 2,016.78/x
  3. Step 3: Cross multiply
    5,302.80x = 7,956.30 × 2,016.78
  4. Step 4: Simplify right side
    5,302.80x = 16,046,106.71
  5. Step 5: Solve for x
    x = 16,046,106.71/5,302.80
  6. Step 6: Final answer
    x = 3,025.97

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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.