Home / 9,320.88-13,981.56-2,747.30

Finding the Fourth Proportional to 9,320.88, 13,981.56 and 2,747.30

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Solution

The fourth proportional to 9,320.88, 13,981.56 and 2,747.30 is: 4,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.88 : 13,981.56 = 2,747.30 : x
  2. Step 2: Convert to fraction form
    9,320.88/13,981.56 = 2,747.30/x
  3. Step 3: Cross multiply
    9,320.88x = 13,981.56 × 2,747.30
  4. Step 4: Simplify right side
    9,320.88x = 38,411,539.79
  5. Step 5: Solve for x
    x = 38,411,539.79/9,320.88
  6. Step 6: Final answer
    x = 4,121.02

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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.