Home / 4,981.25-6,873.98-2,742.82

Finding the Fourth Proportional to 4,981.25, 6,873.98 and 2,742.82

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Solution

The fourth proportional to 4,981.25, 6,873.98 and 2,742.82 is: 3,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.25 : 6,873.98 = 2,742.82 : x
  2. Step 2: Convert to fraction form
    4,981.25/6,873.98 = 2,742.82/x
  3. Step 3: Cross multiply
    4,981.25x = 6,873.98 × 2,742.82
  4. Step 4: Simplify right side
    4,981.25x = 18,854,058.92
  5. Step 5: Solve for x
    x = 18,854,058.92/4,981.25
  6. Step 6: Final answer
    x = 3,785.00

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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.