Home / 5,258.78-7,881.17-2,486.19

Finding the Fourth Proportional to 5,258.78, 7,881.17 and 2,486.19

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Solution

The fourth proportional to 5,258.78, 7,881.17 and 2,486.19 is: 3,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.78 : 7,881.17 = 2,486.19 : x
  2. Step 2: Convert to fraction form
    5,258.78/7,881.17 = 2,486.19/x
  3. Step 3: Cross multiply
    5,258.78x = 7,881.17 × 2,486.19
  4. Step 4: Simplify right side
    5,258.78x = 19,594,086.04
  5. Step 5: Solve for x
    x = 19,594,086.04/5,258.78
  6. Step 6: Final answer
    x = 3,725.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.