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Finding the Fourth Proportional to 5,550.36, 8,332.86 and 5,091.90

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Solution

The fourth proportional to 5,550.36, 8,332.86 and 5,091.90 is: 7,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.36 : 8,332.86 = 5,091.90 : x
  2. Step 2: Convert to fraction form
    5,550.36/8,332.86 = 5,091.90/x
  3. Step 3: Cross multiply
    5,550.36x = 8,332.86 × 5,091.90
  4. Step 4: Simplify right side
    5,550.36x = 42,430,089.83
  5. Step 5: Solve for x
    x = 42,430,089.83/5,550.36
  6. Step 6: Final answer
    x = 7,644.57

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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.