Home / 5,398.23-8,101.67-2,801.91

Finding the Fourth Proportional to 5,398.23, 8,101.67 and 2,801.91

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Solution

The fourth proportional to 5,398.23, 8,101.67 and 2,801.91 is: 4,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.23 : 8,101.67 = 2,801.91 : x
  2. Step 2: Convert to fraction form
    5,398.23/8,101.67 = 2,801.91/x
  3. Step 3: Cross multiply
    5,398.23x = 8,101.67 × 2,801.91
  4. Step 4: Simplify right side
    5,398.23x = 22,700,136.18
  5. Step 5: Solve for x
    x = 22,700,136.18/5,398.23
  6. Step 6: Final answer
    x = 4,205.11

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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.