Home / 7,378.91-11,069.98-2,185.19

Finding the Fourth Proportional to 7,378.91, 11,069.98 and 2,185.19

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Solution

The fourth proportional to 7,378.91, 11,069.98 and 2,185.19 is: 3,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.91 : 11,069.98 = 2,185.19 : x
  2. Step 2: Convert to fraction form
    7,378.91/11,069.98 = 2,185.19/x
  3. Step 3: Cross multiply
    7,378.91x = 11,069.98 × 2,185.19
  4. Step 4: Simplify right side
    7,378.91x = 24,189,948.78
  5. Step 5: Solve for x
    x = 24,189,948.78/7,378.91
  6. Step 6: Final answer
    x = 3,278.26

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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.