Home / 7,914.85-10,922.45-4,377.98

Finding the Fourth Proportional to 7,914.85, 10,922.45 and 4,377.98

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Solution

The fourth proportional to 7,914.85, 10,922.45 and 4,377.98 is: 6,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.85 : 10,922.45 = 4,377.98 : x
  2. Step 2: Convert to fraction form
    7,914.85/10,922.45 = 4,377.98/x
  3. Step 3: Cross multiply
    7,914.85x = 10,922.45 × 4,377.98
  4. Step 4: Simplify right side
    7,914.85x = 47,818,273.07
  5. Step 5: Solve for x
    x = 47,818,273.07/7,914.85
  6. Step 6: Final answer
    x = 6,041.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.