Home / 6,312.34-8,711.13-3,517.84

Finding the Fourth Proportional to 6,312.34, 8,711.13 and 3,517.84

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Solution

The fourth proportional to 6,312.34, 8,711.13 and 3,517.84 is: 4,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.34 : 8,711.13 = 3,517.84 : x
  2. Step 2: Convert to fraction form
    6,312.34/8,711.13 = 3,517.84/x
  3. Step 3: Cross multiply
    6,312.34x = 8,711.13 × 3,517.84
  4. Step 4: Simplify right side
    6,312.34x = 30,644,361.56
  5. Step 5: Solve for x
    x = 30,644,361.56/6,312.34
  6. Step 6: Final answer
    x = 4,854.68

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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.