Home / 5,909.43-8,154.09-3,391.50

Finding the Fourth Proportional to 5,909.43, 8,154.09 and 3,391.50

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Solution

The fourth proportional to 5,909.43, 8,154.09 and 3,391.50 is: 4,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.43 : 8,154.09 = 3,391.50 : x
  2. Step 2: Convert to fraction form
    5,909.43/8,154.09 = 3,391.50/x
  3. Step 3: Cross multiply
    5,909.43x = 8,154.09 × 3,391.50
  4. Step 4: Simplify right side
    5,909.43x = 27,654,596.24
  5. Step 5: Solve for x
    x = 27,654,596.24/5,909.43
  6. Step 6: Final answer
    x = 4,679.74

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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.