Home / 9,320.69-13,981.14-2,747.00

Finding the Fourth Proportional to 9,320.69, 13,981.14 and 2,747.00

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Solution

The fourth proportional to 9,320.69, 13,981.14 and 2,747.00 is: 4,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.69 : 13,981.14 = 2,747.00 : x
  2. Step 2: Convert to fraction form
    9,320.69/13,981.14 = 2,747.00/x
  3. Step 3: Cross multiply
    9,320.69x = 13,981.14 × 2,747.00
  4. Step 4: Simplify right side
    9,320.69x = 38,406,121.67
  5. Step 5: Solve for x
    x = 38,406,121.67/9,320.69
  6. Step 6: Final answer
    x = 4,120.53

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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.