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Finding the Fourth Proportional to 4,018.65, 6,017.10 and 2,909.22

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Solution

The fourth proportional to 4,018.65, 6,017.10 and 2,909.22 is: 4,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.65 : 6,017.10 = 2,909.22 : x
  2. Step 2: Convert to fraction form
    4,018.65/6,017.10 = 2,909.22/x
  3. Step 3: Cross multiply
    4,018.65x = 6,017.10 × 2,909.22
  4. Step 4: Simplify right side
    4,018.65x = 17,505,067.66
  5. Step 5: Solve for x
    x = 17,505,067.66/4,018.65
  6. Step 6: Final answer
    x = 4,355.96

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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.