Home / 4,049.40-6,066.90-3,430.20

Finding the Fourth Proportional to 4,049.40, 6,066.90 and 3,430.20

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Solution

The fourth proportional to 4,049.40, 6,066.90 and 3,430.20 is: 5,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,049.40 : 6,066.90 = 3,430.20 : x
  2. Step 2: Convert to fraction form
    4,049.40/6,066.90 = 3,430.20/x
  3. Step 3: Cross multiply
    4,049.40x = 6,066.90 × 3,430.20
  4. Step 4: Simplify right side
    4,049.40x = 20,810,680.38
  5. Step 5: Solve for x
    x = 20,810,680.38/4,049.40
  6. Step 6: Final answer
    x = 5,139.20

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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.