Home / 5,389.42-8,084.12-2,104.82

Finding the Fourth Proportional to 5,389.42, 8,084.12 and 2,104.82

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Solution

The fourth proportional to 5,389.42, 8,084.12 and 2,104.82 is: 3,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.42 : 8,084.12 = 2,104.82 : x
  2. Step 2: Convert to fraction form
    5,389.42/8,084.12 = 2,104.82/x
  3. Step 3: Cross multiply
    5,389.42x = 8,084.12 × 2,104.82
  4. Step 4: Simplify right side
    5,389.42x = 17,015,617.46
  5. Step 5: Solve for x
    x = 17,015,617.46/5,389.42
  6. Step 6: Final answer
    x = 3,157.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.