Home / 5,911.90-8,158.47-3,394.06

Finding the Fourth Proportional to 5,911.90, 8,158.47 and 3,394.06

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Solution

The fourth proportional to 5,911.90, 8,158.47 and 3,394.06 is: 4,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.90 : 8,158.47 = 3,394.06 : x
  2. Step 2: Convert to fraction form
    5,911.90/8,158.47 = 3,394.06/x
  3. Step 3: Cross multiply
    5,911.90x = 8,158.47 × 3,394.06
  4. Step 4: Simplify right side
    5,911.90x = 27,690,336.69
  5. Step 5: Solve for x
    x = 27,690,336.69/5,911.90
  6. Step 6: Final answer
    x = 4,683.83

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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.