Home / 4,977.47-6,868.96-2,739.29

Finding the Fourth Proportional to 4,977.47, 6,868.96 and 2,739.29

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Solution

The fourth proportional to 4,977.47, 6,868.96 and 2,739.29 is: 3,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.47 : 6,868.96 = 2,739.29 : x
  2. Step 2: Convert to fraction form
    4,977.47/6,868.96 = 2,739.29/x
  3. Step 3: Cross multiply
    4,977.47x = 6,868.96 × 2,739.29
  4. Step 4: Simplify right side
    4,977.47x = 18,816,032.25
  5. Step 5: Solve for x
    x = 18,816,032.25/4,977.47
  6. Step 6: Final answer
    x = 3,780.24

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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.