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Finding the Fourth Proportional to 7,575.86, 11,366.11 and 3,880.68

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Solution

The fourth proportional to 7,575.86, 11,366.11 and 3,880.68 is: 5,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.86 : 11,366.11 = 3,880.68 : x
  2. Step 2: Convert to fraction form
    7,575.86/11,366.11 = 3,880.68/x
  3. Step 3: Cross multiply
    7,575.86x = 11,366.11 × 3,880.68
  4. Step 4: Simplify right side
    7,575.86x = 44,108,235.75
  5. Step 5: Solve for x
    x = 44,108,235.75/7,575.86
  6. Step 6: Final answer
    x = 5,822.21

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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.