Home / 7,389.18-11,081.85-2,193.84

Finding the Fourth Proportional to 7,389.18, 11,081.85 and 2,193.84

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Solution

The fourth proportional to 7,389.18, 11,081.85 and 2,193.84 is: 3,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.18 : 11,081.85 = 2,193.84 : x
  2. Step 2: Convert to fraction form
    7,389.18/11,081.85 = 2,193.84/x
  3. Step 3: Cross multiply
    7,389.18x = 11,081.85 × 2,193.84
  4. Step 4: Simplify right side
    7,389.18x = 24,311,805.80
  5. Step 5: Solve for x
    x = 24,311,805.80/7,389.18
  6. Step 6: Final answer
    x = 3,290.19

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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.