Home / 5,195.10-7,169.40-2,837.46

Finding the Fourth Proportional to 5,195.10, 7,169.40 and 2,837.46

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Solution

The fourth proportional to 5,195.10, 7,169.40 and 2,837.46 is: 3,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.10 : 7,169.40 = 2,837.46 : x
  2. Step 2: Convert to fraction form
    5,195.10/7,169.40 = 2,837.46/x
  3. Step 3: Cross multiply
    5,195.10x = 7,169.40 × 2,837.46
  4. Step 4: Simplify right side
    5,195.10x = 20,342,885.72
  5. Step 5: Solve for x
    x = 20,342,885.72/5,195.10
  6. Step 6: Final answer
    x = 3,915.78

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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.