Home / 5,277.60-7,283.52-2,919.96

Finding the Fourth Proportional to 5,277.60, 7,283.52 and 2,919.96

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Solution

The fourth proportional to 5,277.60, 7,283.52 and 2,919.96 is: 4,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.60 : 7,283.52 = 2,919.96 : x
  2. Step 2: Convert to fraction form
    5,277.60/7,283.52 = 2,919.96/x
  3. Step 3: Cross multiply
    5,277.60x = 7,283.52 × 2,919.96
  4. Step 4: Simplify right side
    5,277.60x = 21,267,587.06
  5. Step 5: Solve for x
    x = 21,267,587.06/5,277.60
  6. Step 6: Final answer
    x = 4,029.78

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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.