Home / 5,246.80-7,240.66-2,888.92

Finding the Fourth Proportional to 5,246.80, 7,240.66 and 2,888.92

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Solution

The fourth proportional to 5,246.80, 7,240.66 and 2,888.92 is: 3,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.80 : 7,240.66 = 2,888.92 : x
  2. Step 2: Convert to fraction form
    5,246.80/7,240.66 = 2,888.92/x
  3. Step 3: Cross multiply
    5,246.80x = 7,240.66 × 2,888.92
  4. Step 4: Simplify right side
    5,246.80x = 20,917,687.49
  5. Step 5: Solve for x
    x = 20,917,687.49/5,246.80
  6. Step 6: Final answer
    x = 3,986.75

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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.