Home / 5,911.30-8,157.98-3,394.23

Finding the Fourth Proportional to 5,911.30, 8,157.98 and 3,394.23

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Solution

The fourth proportional to 5,911.30, 8,157.98 and 3,394.23 is: 4,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.30 : 8,157.98 = 3,394.23 : x
  2. Step 2: Convert to fraction form
    5,911.30/8,157.98 = 3,394.23/x
  3. Step 3: Cross multiply
    5,911.30x = 8,157.98 × 3,394.23
  4. Step 4: Simplify right side
    5,911.30x = 27,690,060.46
  5. Step 5: Solve for x
    x = 27,690,060.46/5,911.30
  6. Step 6: Final answer
    x = 4,684.26

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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.