Home / 5,912.35-8,160.02-3,555.79

Finding the Fourth Proportional to 5,912.35, 8,160.02 and 3,555.79

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Solution

The fourth proportional to 5,912.35, 8,160.02 and 3,555.79 is: 4,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.35 : 8,160.02 = 3,555.79 : x
  2. Step 2: Convert to fraction form
    5,912.35/8,160.02 = 3,555.79/x
  3. Step 3: Cross multiply
    5,912.35x = 8,160.02 × 3,555.79
  4. Step 4: Simplify right side
    5,912.35x = 29,015,299.74
  5. Step 5: Solve for x
    x = 29,015,299.74/5,912.35
  6. Step 6: Final answer
    x = 4,907.57

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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.