Home / 5,062.81-6,986.66-2,824.55

Finding the Fourth Proportional to 5,062.81, 6,986.66 and 2,824.55

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Solution

The fourth proportional to 5,062.81, 6,986.66 and 2,824.55 is: 3,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.81 : 6,986.66 = 2,824.55 : x
  2. Step 2: Convert to fraction form
    5,062.81/6,986.66 = 2,824.55/x
  3. Step 3: Cross multiply
    5,062.81x = 6,986.66 × 2,824.55
  4. Step 4: Simplify right side
    5,062.81x = 19,734,173.85
  5. Step 5: Solve for x
    x = 19,734,173.85/5,062.81
  6. Step 6: Final answer
    x = 3,897.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.