Home / 4,977.47-6,869.33-2,739.77

Finding the Fourth Proportional to 4,977.47, 6,869.33 and 2,739.77

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Solution

The fourth proportional to 4,977.47, 6,869.33 and 2,739.77 is: 3,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.47 : 6,869.33 = 2,739.77 : x
  2. Step 2: Convert to fraction form
    4,977.47/6,869.33 = 2,739.77/x
  3. Step 3: Cross multiply
    4,977.47x = 6,869.33 × 2,739.77
  4. Step 4: Simplify right side
    4,977.47x = 18,820,336.21
  5. Step 5: Solve for x
    x = 18,820,336.21/4,977.47
  6. Step 6: Final answer
    x = 3,781.11

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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.