Home / 5,487.40-8,226.78-2,562.76

Finding the Fourth Proportional to 5,487.40, 8,226.78 and 2,562.76

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Solution

The fourth proportional to 5,487.40, 8,226.78 and 2,562.76 is: 3,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.40 : 8,226.78 = 2,562.76 : x
  2. Step 2: Convert to fraction form
    5,487.40/8,226.78 = 2,562.76/x
  3. Step 3: Cross multiply
    5,487.40x = 8,226.78 × 2,562.76
  4. Step 4: Simplify right side
    5,487.40x = 21,083,262.71
  5. Step 5: Solve for x
    x = 21,083,262.71/5,487.40
  6. Step 6: Final answer
    x = 3,842.12

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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.