Home / 4,229.06-6,343.89-1,306.98

Finding the Fourth Proportional to 4,229.06, 6,343.89 and 1,306.98

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Solution

The fourth proportional to 4,229.06, 6,343.89 and 1,306.98 is: 1,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.06 : 6,343.89 = 1,306.98 : x
  2. Step 2: Convert to fraction form
    4,229.06/6,343.89 = 1,306.98/x
  3. Step 3: Cross multiply
    4,229.06x = 6,343.89 × 1,306.98
  4. Step 4: Simplify right side
    4,229.06x = 8,291,332.45
  5. Step 5: Solve for x
    x = 8,291,332.45/4,229.06
  6. Step 6: Final answer
    x = 1,960.56

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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.