Home / 5,038.93-7,550.68-2,115.64

Finding the Fourth Proportional to 5,038.93, 7,550.68 and 2,115.64

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Solution

The fourth proportional to 5,038.93, 7,550.68 and 2,115.64 is: 3,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.93 : 7,550.68 = 2,115.64 : x
  2. Step 2: Convert to fraction form
    5,038.93/7,550.68 = 2,115.64/x
  3. Step 3: Cross multiply
    5,038.93x = 7,550.68 × 2,115.64
  4. Step 4: Simplify right side
    5,038.93x = 15,974,520.64
  5. Step 5: Solve for x
    x = 15,974,520.64/5,038.93
  6. Step 6: Final answer
    x = 3,170.22

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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.