Home / 5,257.28-7,255.36-3,394.24

Finding the Fourth Proportional to 5,257.28, 7,255.36 and 3,394.24

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Solution

The fourth proportional to 5,257.28, 7,255.36 and 3,394.24 is: 4,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.28 : 7,255.36 = 3,394.24 : x
  2. Step 2: Convert to fraction form
    5,257.28/7,255.36 = 3,394.24/x
  3. Step 3: Cross multiply
    5,257.28x = 7,255.36 × 3,394.24
  4. Step 4: Simplify right side
    5,257.28x = 24,626,433.13
  5. Step 5: Solve for x
    x = 24,626,433.13/5,257.28
  6. Step 6: Final answer
    x = 4,684.25

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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.