Home / 7,392.66-11,088.72-2,198.40

Finding the Fourth Proportional to 7,392.66, 11,088.72 and 2,198.40

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Solution

The fourth proportional to 7,392.66, 11,088.72 and 2,198.40 is: 3,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.66 : 11,088.72 = 2,198.40 : x
  2. Step 2: Convert to fraction form
    7,392.66/11,088.72 = 2,198.40/x
  3. Step 3: Cross multiply
    7,392.66x = 11,088.72 × 2,198.40
  4. Step 4: Simplify right side
    7,392.66x = 24,377,442.05
  5. Step 5: Solve for x
    x = 24,377,442.05/7,392.66
  6. Step 6: Final answer
    x = 3,297.52

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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.