Home / 5,118.12-7,060.50-3,125.22

Finding the Fourth Proportional to 5,118.12, 7,060.50 and 3,125.22

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Solution

The fourth proportional to 5,118.12, 7,060.50 and 3,125.22 is: 4,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.12 : 7,060.50 = 3,125.22 : x
  2. Step 2: Convert to fraction form
    5,118.12/7,060.50 = 3,125.22/x
  3. Step 3: Cross multiply
    5,118.12x = 7,060.50 × 3,125.22
  4. Step 4: Simplify right side
    5,118.12x = 22,065,589.33
  5. Step 5: Solve for x
    x = 22,065,589.33/5,118.12
  6. Step 6: Final answer
    x = 4,311.27

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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.