Home / 5,115.24-7,674.33-4,233.63

Finding the Fourth Proportional to 5,115.24, 7,674.33 and 4,233.63

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Solution

The fourth proportional to 5,115.24, 7,674.33 and 4,233.63 is: 6,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.24 : 7,674.33 = 4,233.63 : x
  2. Step 2: Convert to fraction form
    5,115.24/7,674.33 = 4,233.63/x
  3. Step 3: Cross multiply
    5,115.24x = 7,674.33 × 4,233.63
  4. Step 4: Simplify right side
    5,115.24x = 32,490,273.72
  5. Step 5: Solve for x
    x = 32,490,273.72/5,115.24
  6. Step 6: Final answer
    x = 6,351.66

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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.