Home / 5,705.82-8,560.35-1,810.53

Finding the Fourth Proportional to 5,705.82, 8,560.35 and 1,810.53

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Solution

The fourth proportional to 5,705.82, 8,560.35 and 1,810.53 is: 2,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.82 : 8,560.35 = 1,810.53 : x
  2. Step 2: Convert to fraction form
    5,705.82/8,560.35 = 1,810.53/x
  3. Step 3: Cross multiply
    5,705.82x = 8,560.35 × 1,810.53
  4. Step 4: Simplify right side
    5,705.82x = 15,498,770.49
  5. Step 5: Solve for x
    x = 15,498,770.49/5,705.82
  6. Step 6: Final answer
    x = 2,716.31

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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.