Home / 4,115.10-6,169.01-3,145.53

Finding the Fourth Proportional to 4,115.10, 6,169.01 and 3,145.53

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Solution

The fourth proportional to 4,115.10, 6,169.01 and 3,145.53 is: 4,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.10 : 6,169.01 = 3,145.53 : x
  2. Step 2: Convert to fraction form
    4,115.10/6,169.01 = 3,145.53/x
  3. Step 3: Cross multiply
    4,115.10x = 6,169.01 × 3,145.53
  4. Step 4: Simplify right side
    4,115.10x = 19,404,806.03
  5. Step 5: Solve for x
    x = 19,404,806.03/4,115.10
  6. Step 6: Final answer
    x = 4,715.51

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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.