Home / 4,977.60-6,866.28-2,881.44

Finding the Fourth Proportional to 4,977.60, 6,866.28 and 2,881.44

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Solution

The fourth proportional to 4,977.60, 6,866.28 and 2,881.44 is: 3,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.60 : 6,866.28 = 2,881.44 : x
  2. Step 2: Convert to fraction form
    4,977.60/6,866.28 = 2,881.44/x
  3. Step 3: Cross multiply
    4,977.60x = 6,866.28 × 2,881.44
  4. Step 4: Simplify right side
    4,977.60x = 19,784,773.84
  5. Step 5: Solve for x
    x = 19,784,773.84/4,977.60
  6. Step 6: Final answer
    x = 3,974.76

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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.