Home / 4,505.90-6,757.11-3,115.02

Finding the Fourth Proportional to 4,505.90, 6,757.11 and 3,115.02

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Solution

The fourth proportional to 4,505.90, 6,757.11 and 3,115.02 is: 4,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.90 : 6,757.11 = 3,115.02 : x
  2. Step 2: Convert to fraction form
    4,505.90/6,757.11 = 3,115.02/x
  3. Step 3: Cross multiply
    4,505.90x = 6,757.11 × 3,115.02
  4. Step 4: Simplify right side
    4,505.90x = 21,048,532.79
  5. Step 5: Solve for x
    x = 21,048,532.79/4,505.90
  6. Step 6: Final answer
    x = 4,671.33

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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.