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Finding the Fourth Proportional to 6,657.62, 9,986.41 and 1,726.84

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Solution

The fourth proportional to 6,657.62, 9,986.41 and 1,726.84 is: 2,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.62 : 9,986.41 = 1,726.84 : x
  2. Step 2: Convert to fraction form
    6,657.62/9,986.41 = 1,726.84/x
  3. Step 3: Cross multiply
    6,657.62x = 9,986.41 × 1,726.84
  4. Step 4: Simplify right side
    6,657.62x = 17,244,873.68
  5. Step 5: Solve for x
    x = 17,244,873.68/6,657.62
  6. Step 6: Final answer
    x = 2,590.25

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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.