Home / 5,912.90-8,160.82-3,395.62

Finding the Fourth Proportional to 5,912.90, 8,160.82 and 3,395.62

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Solution

The fourth proportional to 5,912.90, 8,160.82 and 3,395.62 is: 4,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.90 : 8,160.82 = 3,395.62 : x
  2. Step 2: Convert to fraction form
    5,912.90/8,160.82 = 3,395.62/x
  3. Step 3: Cross multiply
    5,912.90x = 8,160.82 × 3,395.62
  4. Step 4: Simplify right side
    5,912.90x = 27,711,045.32
  5. Step 5: Solve for x
    x = 27,711,045.32/5,912.90
  6. Step 6: Final answer
    x = 4,686.54

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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.