Home / 6,855.40-10,278.24-5,554

Finding the Fourth Proportional to 6,855.40, 10,278.24 and 5,554

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Solution

The fourth proportional to 6,855.40, 10,278.24 and 5,554 is: 8,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.40 : 10,278.24 = 5,554 : x
  2. Step 2: Convert to fraction form
    6,855.40/10,278.24 = 5,554/x
  3. Step 3: Cross multiply
    6,855.40x = 10,278.24 × 5,554
  4. Step 4: Simplify right side
    6,855.40x = 57,085,344.96
  5. Step 5: Solve for x
    x = 57,085,344.96/6,855.40
  6. Step 6: Final answer
    x = 8,327.06

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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.