Home / 7,380.74-11,069.21-2,185.40

Finding the Fourth Proportional to 7,380.74, 11,069.21 and 2,185.40

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Solution

The fourth proportional to 7,380.74, 11,069.21 and 2,185.40 is: 3,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.74 : 11,069.21 = 2,185.40 : x
  2. Step 2: Convert to fraction form
    7,380.74/11,069.21 = 2,185.40/x
  3. Step 3: Cross multiply
    7,380.74x = 11,069.21 × 2,185.40
  4. Step 4: Simplify right side
    7,380.74x = 24,190,585.26
  5. Step 5: Solve for x
    x = 24,190,585.26/7,380.74
  6. Step 6: Final answer
    x = 3,277.53

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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.