Home / 5,038.86-7,550.60-2,115.57

Finding the Fourth Proportional to 5,038.86, 7,550.60 and 2,115.57

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Solution

The fourth proportional to 5,038.86, 7,550.60 and 2,115.57 is: 3,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.86 : 7,550.60 = 2,115.57 : x
  2. Step 2: Convert to fraction form
    5,038.86/7,550.60 = 2,115.57/x
  3. Step 3: Cross multiply
    5,038.86x = 7,550.60 × 2,115.57
  4. Step 4: Simplify right side
    5,038.86x = 15,973,812.26
  5. Step 5: Solve for x
    x = 15,973,812.26/5,038.86
  6. Step 6: Final answer
    x = 3,170.12

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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.