Home / 4,253.17-6,377.26-1,290.72

Finding the Fourth Proportional to 4,253.17, 6,377.26 and 1,290.72

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Solution

The fourth proportional to 4,253.17, 6,377.26 and 1,290.72 is: 1,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.17 : 6,377.26 = 1,290.72 : x
  2. Step 2: Convert to fraction form
    4,253.17/6,377.26 = 1,290.72/x
  3. Step 3: Cross multiply
    4,253.17x = 6,377.26 × 1,290.72
  4. Step 4: Simplify right side
    4,253.17x = 8,231,282.56
  5. Step 5: Solve for x
    x = 8,231,282.56/4,253.17
  6. Step 6: Final answer
    x = 1,935.33

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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.