Home / 5,172.26-7,758.99-2,399.63

Finding the Fourth Proportional to 5,172.26, 7,758.99 and 2,399.63

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Solution

The fourth proportional to 5,172.26, 7,758.99 and 2,399.63 is: 3,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.26 : 7,758.99 = 2,399.63 : x
  2. Step 2: Convert to fraction form
    5,172.26/7,758.99 = 2,399.63/x
  3. Step 3: Cross multiply
    5,172.26x = 7,758.99 × 2,399.63
  4. Step 4: Simplify right side
    5,172.26x = 18,618,666.38
  5. Step 5: Solve for x
    x = 18,618,666.38/5,172.26
  6. Step 6: Final answer
    x = 3,599.72

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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.