Home / 5,986.81-8,970.31-3,061.09

Finding the Fourth Proportional to 5,986.81, 8,970.31 and 3,061.09

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Solution

The fourth proportional to 5,986.81, 8,970.31 and 3,061.09 is: 4,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.81 : 8,970.31 = 3,061.09 : x
  2. Step 2: Convert to fraction form
    5,986.81/8,970.31 = 3,061.09/x
  3. Step 3: Cross multiply
    5,986.81x = 8,970.31 × 3,061.09
  4. Step 4: Simplify right side
    5,986.81x = 27,458,926.24
  5. Step 5: Solve for x
    x = 27,458,926.24/5,986.81
  6. Step 6: Final answer
    x = 4,586.57

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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.