Home / 6,020.28-8,305.02-3,780.96

Finding the Fourth Proportional to 6,020.28, 8,305.02 and 3,780.96

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Solution

The fourth proportional to 6,020.28, 8,305.02 and 3,780.96 is: 5,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.28 : 8,305.02 = 3,780.96 : x
  2. Step 2: Convert to fraction form
    6,020.28/8,305.02 = 3,780.96/x
  3. Step 3: Cross multiply
    6,020.28x = 8,305.02 × 3,780.96
  4. Step 4: Simplify right side
    6,020.28x = 31,400,948.42
  5. Step 5: Solve for x
    x = 31,400,948.42/6,020.28
  6. Step 6: Final answer
    x = 5,215.86

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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.