Home / 10,379.07-15,566.93-2,981.85

Finding the Fourth Proportional to 10,379.07, 15,566.93 and 2,981.85

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Solution

The fourth proportional to 10,379.07, 15,566.93 and 2,981.85 is: 4,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.07 : 15,566.93 = 2,981.85 : x
  2. Step 2: Convert to fraction form
    10,379.07/15,566.93 = 2,981.85/x
  3. Step 3: Cross multiply
    10,379.07x = 15,566.93 × 2,981.85
  4. Step 4: Simplify right side
    10,379.07x = 46,418,250.22
  5. Step 5: Solve for x
    x = 46,418,250.22/10,379.07
  6. Step 6: Final answer
    x = 4,472.29

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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.