Home / 4,891.79-6,750.01-2,767.61

Finding the Fourth Proportional to 4,891.79, 6,750.01 and 2,767.61

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Solution

The fourth proportional to 4,891.79, 6,750.01 and 2,767.61 is: 3,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.79 : 6,750.01 = 2,767.61 : x
  2. Step 2: Convert to fraction form
    4,891.79/6,750.01 = 2,767.61/x
  3. Step 3: Cross multiply
    4,891.79x = 6,750.01 × 2,767.61
  4. Step 4: Simplify right side
    4,891.79x = 18,681,395.18
  5. Step 5: Solve for x
    x = 18,681,395.18/4,891.79
  6. Step 6: Final answer
    x = 3,818.93

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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.