Home / 4,262.24-6,390.18-2,871.68

Finding the Fourth Proportional to 4,262.24, 6,390.18 and 2,871.68

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Solution

The fourth proportional to 4,262.24, 6,390.18 and 2,871.68 is: 4,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.24 : 6,390.18 = 2,871.68 : x
  2. Step 2: Convert to fraction form
    4,262.24/6,390.18 = 2,871.68/x
  3. Step 3: Cross multiply
    4,262.24x = 6,390.18 × 2,871.68
  4. Step 4: Simplify right side
    4,262.24x = 18,350,552.10
  5. Step 5: Solve for x
    x = 18,350,552.10/4,262.24
  6. Step 6: Final answer
    x = 4,305.38

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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.