Home / 7,262.60-10,890.31-2,581.91

Finding the Fourth Proportional to 7,262.60, 10,890.31 and 2,581.91

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Solution

The fourth proportional to 7,262.60, 10,890.31 and 2,581.91 is: 3,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.60 : 10,890.31 = 2,581.91 : x
  2. Step 2: Convert to fraction form
    7,262.60/10,890.31 = 2,581.91/x
  3. Step 3: Cross multiply
    7,262.60x = 10,890.31 × 2,581.91
  4. Step 4: Simplify right side
    7,262.60x = 28,117,800.64
  5. Step 5: Solve for x
    x = 28,117,800.64/7,262.60
  6. Step 6: Final answer
    x = 3,871.59

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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.