Home / 5,277.56-7,283.13-2,919.92

Finding the Fourth Proportional to 5,277.56, 7,283.13 and 2,919.92

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Solution

The fourth proportional to 5,277.56, 7,283.13 and 2,919.92 is: 4,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.56 : 7,283.13 = 2,919.92 : x
  2. Step 2: Convert to fraction form
    5,277.56/7,283.13 = 2,919.92/x
  3. Step 3: Cross multiply
    5,277.56x = 7,283.13 × 2,919.92
  4. Step 4: Simplify right side
    5,277.56x = 21,266,156.95
  5. Step 5: Solve for x
    x = 21,266,156.95/5,277.56
  6. Step 6: Final answer
    x = 4,029.54

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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.