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Finding the Fourth Proportional to 5,810, 8,018.12 and 3,326.80

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Solution

The fourth proportional to 5,810, 8,018.12 and 3,326.80 is: 4,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810 : 8,018.12 = 3,326.80 : x
  2. Step 2: Convert to fraction form
    5,810/8,018.12 = 3,326.80/x
  3. Step 3: Cross multiply
    5,810x = 8,018.12 × 3,326.80
  4. Step 4: Simplify right side
    5,810x = 26,674,681.62
  5. Step 5: Solve for x
    x = 26,674,681.62/5,810
  6. Step 6: Final answer
    x = 4,591.17

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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.