Home / 5,912.60-8,159.64-3,395.42

Finding the Fourth Proportional to 5,912.60, 8,159.64 and 3,395.42

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Solution

The fourth proportional to 5,912.60, 8,159.64 and 3,395.42 is: 4,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.60 : 8,159.64 = 3,395.42 : x
  2. Step 2: Convert to fraction form
    5,912.60/8,159.64 = 3,395.42/x
  3. Step 3: Cross multiply
    5,912.60x = 8,159.64 × 3,395.42
  4. Step 4: Simplify right side
    5,912.60x = 27,705,381.92
  5. Step 5: Solve for x
    x = 27,705,381.92/5,912.60
  6. Step 6: Final answer
    x = 4,685.82

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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.