Home / 6,764.88-10,138.40-2,864.46

Finding the Fourth Proportional to 6,764.88, 10,138.40 and 2,864.46

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Solution

The fourth proportional to 6,764.88, 10,138.40 and 2,864.46 is: 4,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.88 : 10,138.40 = 2,864.46 : x
  2. Step 2: Convert to fraction form
    6,764.88/10,138.40 = 2,864.46/x
  3. Step 3: Cross multiply
    6,764.88x = 10,138.40 × 2,864.46
  4. Step 4: Simplify right side
    6,764.88x = 29,041,041.26
  5. Step 5: Solve for x
    x = 29,041,041.26/6,764.88
  6. Step 6: Final answer
    x = 4,292.91

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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.