Home / 5,006.21-7,515.68-4,083.57

Finding the Fourth Proportional to 5,006.21, 7,515.68 and 4,083.57

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Solution

The fourth proportional to 5,006.21, 7,515.68 and 4,083.57 is: 6,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.21 : 7,515.68 = 4,083.57 : x
  2. Step 2: Convert to fraction form
    5,006.21/7,515.68 = 4,083.57/x
  3. Step 3: Cross multiply
    5,006.21x = 7,515.68 × 4,083.57
  4. Step 4: Simplify right side
    5,006.21x = 30,690,784.96
  5. Step 5: Solve for x
    x = 30,690,784.96/5,006.21
  6. Step 6: Final answer
    x = 6,130.55

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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.