Home / 7,979.86-11,010.37-4,575.29

Finding the Fourth Proportional to 7,979.86, 11,010.37 and 4,575.29

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Solution

The fourth proportional to 7,979.86, 11,010.37 and 4,575.29 is: 6,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.86 : 11,010.37 = 4,575.29 : x
  2. Step 2: Convert to fraction form
    7,979.86/11,010.37 = 4,575.29/x
  3. Step 3: Cross multiply
    7,979.86x = 11,010.37 × 4,575.29
  4. Step 4: Simplify right side
    7,979.86x = 50,375,651.84
  5. Step 5: Solve for x
    x = 50,375,651.84/7,979.86
  6. Step 6: Final answer
    x = 6,312.85

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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.