Home / 4,262.39-6,393.13-1,142.71

Finding the Fourth Proportional to 4,262.39, 6,393.13 and 1,142.71

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Solution

The fourth proportional to 4,262.39, 6,393.13 and 1,142.71 is: 1,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.39 : 6,393.13 = 1,142.71 : x
  2. Step 2: Convert to fraction form
    4,262.39/6,393.13 = 1,142.71/x
  3. Step 3: Cross multiply
    4,262.39x = 6,393.13 × 1,142.71
  4. Step 4: Simplify right side
    4,262.39x = 7,305,474.74
  5. Step 5: Solve for x
    x = 7,305,474.74/4,262.39
  6. Step 6: Final answer
    x = 1,713.94

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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.