Home / 4,868.21-6,717.77-2,979.02

Finding the Fourth Proportional to 4,868.21, 6,717.77 and 2,979.02

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Solution

The fourth proportional to 4,868.21, 6,717.77 and 2,979.02 is: 4,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.21 : 6,717.77 = 2,979.02 : x
  2. Step 2: Convert to fraction form
    4,868.21/6,717.77 = 2,979.02/x
  3. Step 3: Cross multiply
    4,868.21x = 6,717.77 × 2,979.02
  4. Step 4: Simplify right side
    4,868.21x = 20,012,356.29
  5. Step 5: Solve for x
    x = 20,012,356.29/4,868.21
  6. Step 6: Final answer
    x = 4,110.82

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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.