Home / 5,713.65-8,570.46-1,818.05

Finding the Fourth Proportional to 5,713.65, 8,570.46 and 1,818.05

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Solution

The fourth proportional to 5,713.65, 8,570.46 and 1,818.05 is: 2,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.65 : 8,570.46 = 1,818.05 : x
  2. Step 2: Convert to fraction form
    5,713.65/8,570.46 = 1,818.05/x
  3. Step 3: Cross multiply
    5,713.65x = 8,570.46 × 1,818.05
  4. Step 4: Simplify right side
    5,713.65x = 15,581,481.95
  5. Step 5: Solve for x
    x = 15,581,481.95/5,713.65
  6. Step 6: Final answer
    x = 2,727.06

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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.