Home / 8,775.16-13,166.34-3,581.56

Finding the Fourth Proportional to 8,775.16, 13,166.34 and 3,581.56

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Solution

The fourth proportional to 8,775.16, 13,166.34 and 3,581.56 is: 5,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.16 : 13,166.34 = 3,581.56 : x
  2. Step 2: Convert to fraction form
    8,775.16/13,166.34 = 3,581.56/x
  3. Step 3: Cross multiply
    8,775.16x = 13,166.34 × 3,581.56
  4. Step 4: Simplify right side
    8,775.16x = 47,156,036.69
  5. Step 5: Solve for x
    x = 47,156,036.69/8,775.16
  6. Step 6: Final answer
    x = 5,373.81

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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.