Home / 5,895.40-8,136.08-3,902.56

Finding the Fourth Proportional to 5,895.40, 8,136.08 and 3,902.56

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Solution

The fourth proportional to 5,895.40, 8,136.08 and 3,902.56 is: 5,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.40 : 8,136.08 = 3,902.56 : x
  2. Step 2: Convert to fraction form
    5,895.40/8,136.08 = 3,902.56/x
  3. Step 3: Cross multiply
    5,895.40x = 8,136.08 × 3,902.56
  4. Step 4: Simplify right side
    5,895.40x = 31,751,540.36
  5. Step 5: Solve for x
    x = 31,751,540.36/5,895.40
  6. Step 6: Final answer
    x = 5,385.82

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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.