Home / 7,914.75-10,921.52-4,377.87

Finding the Fourth Proportional to 7,914.75, 10,921.52 and 4,377.87

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Solution

The fourth proportional to 7,914.75, 10,921.52 and 4,377.87 is: 6,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.75 : 10,921.52 = 4,377.87 : x
  2. Step 2: Convert to fraction form
    7,914.75/10,921.52 = 4,377.87/x
  3. Step 3: Cross multiply
    7,914.75x = 10,921.52 × 4,377.87
  4. Step 4: Simplify right side
    7,914.75x = 47,812,972.87
  5. Step 5: Solve for x
    x = 47,812,972.87/7,914.75
  6. Step 6: Final answer
    x = 6,041.00

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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.