Home / 8,020.30-12,085.21-6,591.46

Finding the Fourth Proportional to 8,020.30, 12,085.21 and 6,591.46

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Solution

The fourth proportional to 8,020.30, 12,085.21 and 6,591.46 is: 9,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.30 : 12,085.21 = 6,591.46 : x
  2. Step 2: Convert to fraction form
    8,020.30/12,085.21 = 6,591.46/x
  3. Step 3: Cross multiply
    8,020.30x = 12,085.21 × 6,591.46
  4. Step 4: Simplify right side
    8,020.30x = 79,659,178.31
  5. Step 5: Solve for x
    x = 79,659,178.31/8,020.30
  6. Step 6: Final answer
    x = 9,932.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.