Home / 5,246.88-7,240.91-2,888.97

Finding the Fourth Proportional to 5,246.88, 7,240.91 and 2,888.97

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Solution

The fourth proportional to 5,246.88, 7,240.91 and 2,888.97 is: 3,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.88 : 7,240.91 = 2,888.97 : x
  2. Step 2: Convert to fraction form
    5,246.88/7,240.91 = 2,888.97/x
  3. Step 3: Cross multiply
    5,246.88x = 7,240.91 × 2,888.97
  4. Step 4: Simplify right side
    5,246.88x = 20,918,757.32
  5. Step 5: Solve for x
    x = 20,918,757.32/5,246.88
  6. Step 6: Final answer
    x = 3,986.89

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1.5x scale

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.