Home / 9,622.97-13,279.68-5,590.56

Finding the Fourth Proportional to 9,622.97, 13,279.68 and 5,590.56

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Solution

The fourth proportional to 9,622.97, 13,279.68 and 5,590.56 is: 7,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.97 : 13,279.68 = 5,590.56 : x
  2. Step 2: Convert to fraction form
    9,622.97/13,279.68 = 5,590.56/x
  3. Step 3: Cross multiply
    9,622.97x = 13,279.68 × 5,590.56
  4. Step 4: Simplify right side
    9,622.97x = 74,240,847.82
  5. Step 5: Solve for x
    x = 74,240,847.82/9,622.97
  6. Step 6: Final answer
    x = 7,714.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.