Home / 7,985.27-11,981.61-4,092.41

Finding the Fourth Proportional to 7,985.27, 11,981.61 and 4,092.41

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Solution

The fourth proportional to 7,985.27, 11,981.61 and 4,092.41 is: 6,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.27 : 11,981.61 = 4,092.41 : x
  2. Step 2: Convert to fraction form
    7,985.27/11,981.61 = 4,092.41/x
  3. Step 3: Cross multiply
    7,985.27x = 11,981.61 × 4,092.41
  4. Step 4: Simplify right side
    7,985.27x = 49,033,600.67
  5. Step 5: Solve for x
    x = 49,033,600.67/7,985.27
  6. Step 6: Final answer
    x = 6,140.51

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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.