Home / 5,705.73-8,559.45-1,809.75

Finding the Fourth Proportional to 5,705.73, 8,559.45 and 1,809.75

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Solution

The fourth proportional to 5,705.73, 8,559.45 and 1,809.75 is: 2,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.73 : 8,559.45 = 1,809.75 : x
  2. Step 2: Convert to fraction form
    5,705.73/8,559.45 = 1,809.75/x
  3. Step 3: Cross multiply
    5,705.73x = 8,559.45 × 1,809.75
  4. Step 4: Simplify right side
    5,705.73x = 15,490,464.64
  5. Step 5: Solve for x
    x = 15,490,464.64/5,705.73
  6. Step 6: Final answer
    x = 2,714.90

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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.