Home / 5,252.45-7,248.29-2,894.54

Finding the Fourth Proportional to 5,252.45, 7,248.29 and 2,894.54

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Solution

The fourth proportional to 5,252.45, 7,248.29 and 2,894.54 is: 3,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.45 : 7,248.29 = 2,894.54 : x
  2. Step 2: Convert to fraction form
    5,252.45/7,248.29 = 2,894.54/x
  3. Step 3: Cross multiply
    5,252.45x = 7,248.29 × 2,894.54
  4. Step 4: Simplify right side
    5,252.45x = 20,980,414.62
  5. Step 5: Solve for x
    x = 20,980,414.62/5,252.45
  6. Step 6: Final answer
    x = 3,994.41

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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.