Home / 6,311.57-8,710.34-3,479.13

Finding the Fourth Proportional to 6,311.57, 8,710.34 and 3,479.13

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Solution

The fourth proportional to 6,311.57, 8,710.34 and 3,479.13 is: 4,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.57 : 8,710.34 = 3,479.13 : x
  2. Step 2: Convert to fraction form
    6,311.57/8,710.34 = 3,479.13/x
  3. Step 3: Cross multiply
    6,311.57x = 8,710.34 × 3,479.13
  4. Step 4: Simplify right side
    6,311.57x = 30,304,387.81
  5. Step 5: Solve for x
    x = 30,304,387.81/6,311.57
  6. Step 6: Final answer
    x = 4,801.41

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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.