Home / 5,590.97-8,387.81-2,081.11

Finding the Fourth Proportional to 5,590.97, 8,387.81 and 2,081.11

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Solution

The fourth proportional to 5,590.97, 8,387.81 and 2,081.11 is: 3,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.97 : 8,387.81 = 2,081.11 : x
  2. Step 2: Convert to fraction form
    5,590.97/8,387.81 = 2,081.11/x
  3. Step 3: Cross multiply
    5,590.97x = 8,387.81 × 2,081.11
  4. Step 4: Simplify right side
    5,590.97x = 17,455,955.27
  5. Step 5: Solve for x
    x = 17,455,955.27/5,590.97
  6. Step 6: Final answer
    x = 3,122.17

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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.