Home / 5,124.27-7,071.39-2,886.11

Finding the Fourth Proportional to 5,124.27, 7,071.39 and 2,886.11

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Solution

The fourth proportional to 5,124.27, 7,071.39 and 2,886.11 is: 3,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.27 : 7,071.39 = 2,886.11 : x
  2. Step 2: Convert to fraction form
    5,124.27/7,071.39 = 2,886.11/x
  3. Step 3: Cross multiply
    5,124.27x = 7,071.39 × 2,886.11
  4. Step 4: Simplify right side
    5,124.27x = 20,408,774.04
  5. Step 5: Solve for x
    x = 20,408,774.04/5,124.27
  6. Step 6: Final answer
    x = 3,982.77

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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.