Home / 5,278.28-7,912.55-2,506.25

Finding the Fourth Proportional to 5,278.28, 7,912.55 and 2,506.25

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Solution

The fourth proportional to 5,278.28, 7,912.55 and 2,506.25 is: 3,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.28 : 7,912.55 = 2,506.25 : x
  2. Step 2: Convert to fraction form
    5,278.28/7,912.55 = 2,506.25/x
  3. Step 3: Cross multiply
    5,278.28x = 7,912.55 × 2,506.25
  4. Step 4: Simplify right side
    5,278.28x = 19,830,854.48
  5. Step 5: Solve for x
    x = 19,830,854.48/5,278.28
  6. Step 6: Final answer
    x = 3,757.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.