Home / 4,086.65-6,132-1,621.42

Finding the Fourth Proportional to 4,086.65, 6,132 and 1,621.42

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Solution

The fourth proportional to 4,086.65, 6,132 and 1,621.42 is: 2,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.65 : 6,132 = 1,621.42 : x
  2. Step 2: Convert to fraction form
    4,086.65/6,132 = 1,621.42/x
  3. Step 3: Cross multiply
    4,086.65x = 6,132 × 1,621.42
  4. Step 4: Simplify right side
    4,086.65x = 9,942,547.44
  5. Step 5: Solve for x
    x = 9,942,547.44/4,086.65
  6. Step 6: Final answer
    x = 2,432.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.