Home / 5,122.27-7,673.55-3,142.12

Finding the Fourth Proportional to 5,122.27, 7,673.55 and 3,142.12

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Solution

The fourth proportional to 5,122.27, 7,673.55 and 3,142.12 is: 4,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.27 : 7,673.55 = 3,142.12 : x
  2. Step 2: Convert to fraction form
    5,122.27/7,673.55 = 3,142.12/x
  3. Step 3: Cross multiply
    5,122.27x = 7,673.55 × 3,142.12
  4. Step 4: Simplify right side
    5,122.27x = 24,111,214.93
  5. Step 5: Solve for x
    x = 24,111,214.93/5,122.27
  6. Step 6: Final answer
    x = 4,707.13

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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.