Home / 3,247.30-4,872.15-3,127.30

Finding the Fourth Proportional to 3,247.30, 4,872.15 and 3,127.30

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Solution

The fourth proportional to 3,247.30, 4,872.15 and 3,127.30 is: 4,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.30 : 4,872.15 = 3,127.30 : x
  2. Step 2: Convert to fraction form
    3,247.30/4,872.15 = 3,127.30/x
  3. Step 3: Cross multiply
    3,247.30x = 4,872.15 × 3,127.30
  4. Step 4: Simplify right side
    3,247.30x = 15,236,674.70
  5. Step 5: Solve for x
    x = 15,236,674.70/3,247.30
  6. Step 6: Final answer
    x = 4,692.11

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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.