Home / 4,049.40-6,074.10-3,126.31

Finding the Fourth Proportional to 4,049.40, 6,074.10 and 3,126.31

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Solution

The fourth proportional to 4,049.40, 6,074.10 and 3,126.31 is: 4,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.40 : 6,074.10 = 3,126.31 : x
  2. Step 2: Convert to fraction form
    4,049.40/6,074.10 = 3,126.31/x
  3. Step 3: Cross multiply
    4,049.40x = 6,074.10 × 3,126.31
  4. Step 4: Simplify right side
    4,049.40x = 18,989,489.20
  5. Step 5: Solve for x
    x = 18,989,489.20/4,049.40
  6. Step 6: Final answer
    x = 4,689.46

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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.