Home / 5,246.64-7,240.24-2,888.76

Finding the Fourth Proportional to 5,246.64, 7,240.24 and 2,888.76

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Solution

The fourth proportional to 5,246.64, 7,240.24 and 2,888.76 is: 3,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.64 : 7,240.24 = 2,888.76 : x
  2. Step 2: Convert to fraction form
    5,246.64/7,240.24 = 2,888.76/x
  3. Step 3: Cross multiply
    5,246.64x = 7,240.24 × 2,888.76
  4. Step 4: Simplify right side
    5,246.64x = 20,915,315.70
  5. Step 5: Solve for x
    x = 20,915,315.70/5,246.64
  6. Step 6: Final answer
    x = 3,986.42

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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.