Home / 7,371.84-11,059.52-2,177.72

Finding the Fourth Proportional to 7,371.84, 11,059.52 and 2,177.72

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Solution

The fourth proportional to 7,371.84, 11,059.52 and 2,177.72 is: 3,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.84 : 11,059.52 = 2,177.72 : x
  2. Step 2: Convert to fraction form
    7,371.84/11,059.52 = 2,177.72/x
  3. Step 3: Cross multiply
    7,371.84x = 11,059.52 × 2,177.72
  4. Step 4: Simplify right side
    7,371.84x = 24,084,471.71
  5. Step 5: Solve for x
    x = 24,084,471.71/7,371.84
  6. Step 6: Final answer
    x = 3,267.09

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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.