Home / 4,262.28-6,394.70-1,340.61

Finding the Fourth Proportional to 4,262.28, 6,394.70 and 1,340.61

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Solution

The fourth proportional to 4,262.28, 6,394.70 and 1,340.61 is: 2,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.28 : 6,394.70 = 1,340.61 : x
  2. Step 2: Convert to fraction form
    4,262.28/6,394.70 = 1,340.61/x
  3. Step 3: Cross multiply
    4,262.28x = 6,394.70 × 1,340.61
  4. Step 4: Simplify right side
    4,262.28x = 8,572,798.77
  5. Step 5: Solve for x
    x = 8,572,798.77/4,262.28
  6. Step 6: Final answer
    x = 2,011.32

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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.