Home / 7,747.80-11,622.53-2,480.93

Finding the Fourth Proportional to 7,747.80, 11,622.53 and 2,480.93

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Solution

The fourth proportional to 7,747.80, 11,622.53 and 2,480.93 is: 3,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.80 : 11,622.53 = 2,480.93 : x
  2. Step 2: Convert to fraction form
    7,747.80/11,622.53 = 2,480.93/x
  3. Step 3: Cross multiply
    7,747.80x = 11,622.53 × 2,480.93
  4. Step 4: Simplify right side
    7,747.80x = 28,834,612.84
  5. Step 5: Solve for x
    x = 28,834,612.84/7,747.80
  6. Step 6: Final answer
    x = 3,721.65

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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.