Home / 5,871.53-8,103.22-3,219.45

Finding the Fourth Proportional to 5,871.53, 8,103.22 and 3,219.45

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Solution

The fourth proportional to 5,871.53, 8,103.22 and 3,219.45 is: 4,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.53 : 8,103.22 = 3,219.45 : x
  2. Step 2: Convert to fraction form
    5,871.53/8,103.22 = 3,219.45/x
  3. Step 3: Cross multiply
    5,871.53x = 8,103.22 × 3,219.45
  4. Step 4: Simplify right side
    5,871.53x = 26,087,895.53
  5. Step 5: Solve for x
    x = 26,087,895.53/5,871.53
  6. Step 6: Final answer
    x = 4,443.12

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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.