Home / 7,392.04-11,087.78-2,197.78

Finding the Fourth Proportional to 7,392.04, 11,087.78 and 2,197.78

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Solution

The fourth proportional to 7,392.04, 11,087.78 and 2,197.78 is: 3,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.04 : 11,087.78 = 2,197.78 : x
  2. Step 2: Convert to fraction form
    7,392.04/11,087.78 = 2,197.78/x
  3. Step 3: Cross multiply
    7,392.04x = 11,087.78 × 2,197.78
  4. Step 4: Simplify right side
    7,392.04x = 24,368,501.13
  5. Step 5: Solve for x
    x = 24,368,501.13/7,392.04
  6. Step 6: Final answer
    x = 3,296.59

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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.