Home / 5,277.74-7,283.28-2,919.90

Finding the Fourth Proportional to 5,277.74, 7,283.28 and 2,919.90

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Solution

The fourth proportional to 5,277.74, 7,283.28 and 2,919.90 is: 4,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.74 : 7,283.28 = 2,919.90 : x
  2. Step 2: Convert to fraction form
    5,277.74/7,283.28 = 2,919.90/x
  3. Step 3: Cross multiply
    5,277.74x = 7,283.28 × 2,919.90
  4. Step 4: Simplify right side
    5,277.74x = 21,266,449.27
  5. Step 5: Solve for x
    x = 21,266,449.27/5,277.74
  6. Step 6: Final answer
    x = 4,029.46

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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.