Home / 6,877.20-10,315.74-2,493

Finding the Fourth Proportional to 6,877.20, 10,315.74 and 2,493

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Solution

The fourth proportional to 6,877.20, 10,315.74 and 2,493 is: 3,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.20 : 10,315.74 = 2,493 : x
  2. Step 2: Convert to fraction form
    6,877.20/10,315.74 = 2,493/x
  3. Step 3: Cross multiply
    6,877.20x = 10,315.74 × 2,493
  4. Step 4: Simplify right side
    6,877.20x = 25,717,139.82
  5. Step 5: Solve for x
    x = 25,717,139.82/6,877.20
  6. Step 6: Final answer
    x = 3,739.48

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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.