Home / 6,524.40-9,787.82-2,143.12

Finding the Fourth Proportional to 6,524.40, 9,787.82 and 2,143.12

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Solution

The fourth proportional to 6,524.40, 9,787.82 and 2,143.12 is: 3,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,524.40 : 9,787.82 = 2,143.12 : x
  2. Step 2: Convert to fraction form
    6,524.40/9,787.82 = 2,143.12/x
  3. Step 3: Cross multiply
    6,524.40x = 9,787.82 × 2,143.12
  4. Step 4: Simplify right side
    6,524.40x = 20,976,472.80
  5. Step 5: Solve for x
    x = 20,976,472.80/6,524.40
  6. Step 6: Final answer
    x = 3,215.08

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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.