Home / 4,717.29-7,071.35-2,638.29

Finding the Fourth Proportional to 4,717.29, 7,071.35 and 2,638.29

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Solution

The fourth proportional to 4,717.29, 7,071.35 and 2,638.29 is: 3,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.29 : 7,071.35 = 2,638.29 : x
  2. Step 2: Convert to fraction form
    4,717.29/7,071.35 = 2,638.29/x
  3. Step 3: Cross multiply
    4,717.29x = 7,071.35 × 2,638.29
  4. Step 4: Simplify right side
    4,717.29x = 18,656,258.80
  5. Step 5: Solve for x
    x = 18,656,258.80/4,717.29
  6. Step 6: Final answer
    x = 3,954.87

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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.