Home / 9,161.52-13,743.18-2,587.76

Finding the Fourth Proportional to 9,161.52, 13,743.18 and 2,587.76

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Solution

The fourth proportional to 9,161.52, 13,743.18 and 2,587.76 is: 3,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.52 : 13,743.18 = 2,587.76 : x
  2. Step 2: Convert to fraction form
    9,161.52/13,743.18 = 2,587.76/x
  3. Step 3: Cross multiply
    9,161.52x = 13,743.18 × 2,587.76
  4. Step 4: Simplify right side
    9,161.52x = 35,563,982.76
  5. Step 5: Solve for x
    x = 35,563,982.76/9,161.52
  6. Step 6: Final answer
    x = 3,881.89

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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.