Home / 5,115.10-7,672.65-2,523.10

Finding the Fourth Proportional to 5,115.10, 7,672.65 and 2,523.10

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Solution

The fourth proportional to 5,115.10, 7,672.65 and 2,523.10 is: 3,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.10 : 7,672.65 = 2,523.10 : x
  2. Step 2: Convert to fraction form
    5,115.10/7,672.65 = 2,523.10/x
  3. Step 3: Cross multiply
    5,115.10x = 7,672.65 × 2,523.10
  4. Step 4: Simplify right side
    5,115.10x = 19,358,863.22
  5. Step 5: Solve for x
    x = 19,358,863.22/5,115.10
  6. Step 6: Final answer
    x = 3,784.65

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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.