Home / 5,590.42-8,387.38-2,305.06

Finding the Fourth Proportional to 5,590.42, 8,387.38 and 2,305.06

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Solution

The fourth proportional to 5,590.42, 8,387.38 and 2,305.06 is: 3,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.42 : 8,387.38 = 2,305.06 : x
  2. Step 2: Convert to fraction form
    5,590.42/8,387.38 = 2,305.06/x
  3. Step 3: Cross multiply
    5,590.42x = 8,387.38 × 2,305.06
  4. Step 4: Simplify right side
    5,590.42x = 19,333,414.14
  5. Step 5: Solve for x
    x = 19,333,414.14/5,590.42
  6. Step 6: Final answer
    x = 3,458.31

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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.