Home / 6,142.10-8,475.80-3,625.70

Finding the Fourth Proportional to 6,142.10, 8,475.80 and 3,625.70

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Solution

The fourth proportional to 6,142.10, 8,475.80 and 3,625.70 is: 5,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.10 : 8,475.80 = 3,625.70 : x
  2. Step 2: Convert to fraction form
    6,142.10/8,475.80 = 3,625.70/x
  3. Step 3: Cross multiply
    6,142.10x = 8,475.80 × 3,625.70
  4. Step 4: Simplify right side
    6,142.10x = 30,730,647.55
  5. Step 5: Solve for x
    x = 30,730,647.55/6,142.10
  6. Step 6: Final answer
    x = 5,003.28

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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.