Home / 5,901.49-8,143.91-3,385.09

Finding the Fourth Proportional to 5,901.49, 8,143.91 and 3,385.09

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Solution

The fourth proportional to 5,901.49, 8,143.91 and 3,385.09 is: 4,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.49 : 8,143.91 = 3,385.09 : x
  2. Step 2: Convert to fraction form
    5,901.49/8,143.91 = 3,385.09/x
  3. Step 3: Cross multiply
    5,901.49x = 8,143.91 × 3,385.09
  4. Step 4: Simplify right side
    5,901.49x = 27,567,874.25
  5. Step 5: Solve for x
    x = 27,567,874.25/5,901.49
  6. Step 6: Final answer
    x = 4,671.34

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1.5x scale

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.