Home / 5,124.29-7,071.56-2,885.96

Finding the Fourth Proportional to 5,124.29, 7,071.56 and 2,885.96

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Solution

The fourth proportional to 5,124.29, 7,071.56 and 2,885.96 is: 3,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.29 : 7,071.56 = 2,885.96 : x
  2. Step 2: Convert to fraction form
    5,124.29/7,071.56 = 2,885.96/x
  3. Step 3: Cross multiply
    5,124.29x = 7,071.56 × 2,885.96
  4. Step 4: Simplify right side
    5,124.29x = 20,408,203.94
  5. Step 5: Solve for x
    x = 20,408,203.94/5,124.29
  6. Step 6: Final answer
    x = 3,982.64

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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.