Home / 6,142.90-8,476.34-3,625.11

Finding the Fourth Proportional to 6,142.90, 8,476.34 and 3,625.11

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Solution

The fourth proportional to 6,142.90, 8,476.34 and 3,625.11 is: 5,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.90 : 8,476.34 = 3,625.11 : x
  2. Step 2: Convert to fraction form
    6,142.90/8,476.34 = 3,625.11/x
  3. Step 3: Cross multiply
    6,142.90x = 8,476.34 × 3,625.11
  4. Step 4: Simplify right side
    6,142.90x = 30,727,664.90
  5. Step 5: Solve for x
    x = 30,727,664.90/6,142.90
  6. Step 6: Final answer
    x = 5,002.15

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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.