Home / 5,124.53-7,071.32-2,886.05

Finding the Fourth Proportional to 5,124.53, 7,071.32 and 2,886.05

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Solution

The fourth proportional to 5,124.53, 7,071.32 and 2,886.05 is: 3,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.53 : 7,071.32 = 2,886.05 : x
  2. Step 2: Convert to fraction form
    5,124.53/7,071.32 = 2,886.05/x
  3. Step 3: Cross multiply
    5,124.53x = 7,071.32 × 2,886.05
  4. Step 4: Simplify right side
    5,124.53x = 20,408,154.94
  5. Step 5: Solve for x
    x = 20,408,154.94/5,124.53
  6. Step 6: Final answer
    x = 3,982.45

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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.