Home / 7,902.24-11,860.52-4,207.60

Finding the Fourth Proportional to 7,902.24, 11,860.52 and 4,207.60

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Solution

The fourth proportional to 7,902.24, 11,860.52 and 4,207.60 is: 6,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.24 : 11,860.52 = 4,207.60 : x
  2. Step 2: Convert to fraction form
    7,902.24/11,860.52 = 4,207.60/x
  3. Step 3: Cross multiply
    7,902.24x = 11,860.52 × 4,207.60
  4. Step 4: Simplify right side
    7,902.24x = 49,904,323.95
  5. Step 5: Solve for x
    x = 49,904,323.95/7,902.24
  6. Step 6: Final answer
    x = 6,315.21

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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.