Home / 4,253.77-6,379.50-2,691.43

Finding the Fourth Proportional to 4,253.77, 6,379.50 and 2,691.43

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Solution

The fourth proportional to 4,253.77, 6,379.50 and 2,691.43 is: 4,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.77 : 6,379.50 = 2,691.43 : x
  2. Step 2: Convert to fraction form
    4,253.77/6,379.50 = 2,691.43/x
  3. Step 3: Cross multiply
    4,253.77x = 6,379.50 × 2,691.43
  4. Step 4: Simplify right side
    4,253.77x = 17,169,971.83
  5. Step 5: Solve for x
    x = 17,169,971.83/4,253.77
  6. Step 6: Final answer
    x = 4,036.41

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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.