Home / 7,914.66-10,922.14-4,377.80

Finding the Fourth Proportional to 7,914.66, 10,922.14 and 4,377.80

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Solution

The fourth proportional to 7,914.66, 10,922.14 and 4,377.80 is: 6,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.66 : 10,922.14 = 4,377.80 : x
  2. Step 2: Convert to fraction form
    7,914.66/10,922.14 = 4,377.80/x
  3. Step 3: Cross multiply
    7,914.66x = 10,922.14 × 4,377.80
  4. Step 4: Simplify right side
    7,914.66x = 47,814,944.49
  5. Step 5: Solve for x
    x = 47,814,944.49/7,914.66
  6. Step 6: Final answer
    x = 6,041.31

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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.