Home / 5,773.81-7,967.87-3,121.21

Finding the Fourth Proportional to 5,773.81, 7,967.87 and 3,121.21

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Solution

The fourth proportional to 5,773.81, 7,967.87 and 3,121.21 is: 4,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.81 : 7,967.87 = 3,121.21 : x
  2. Step 2: Convert to fraction form
    5,773.81/7,967.87 = 3,121.21/x
  3. Step 3: Cross multiply
    5,773.81x = 7,967.87 × 3,121.21
  4. Step 4: Simplify right side
    5,773.81x = 24,869,395.52
  5. Step 5: Solve for x
    x = 24,869,395.52/5,773.81
  6. Step 6: Final answer
    x = 4,307.28

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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.