Home / 7,553.15-11,278.85-6,169.23

Finding the Fourth Proportional to 7,553.15, 11,278.85 and 6,169.23

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Solution

The fourth proportional to 7,553.15, 11,278.85 and 6,169.23 is: 9,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.15 : 11,278.85 = 6,169.23 : x
  2. Step 2: Convert to fraction form
    7,553.15/11,278.85 = 6,169.23/x
  3. Step 3: Cross multiply
    7,553.15x = 11,278.85 × 6,169.23
  4. Step 4: Simplify right side
    7,553.15x = 69,581,788.94
  5. Step 5: Solve for x
    x = 69,581,788.94/7,553.15
  6. Step 6: Final answer
    x = 9,212.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.