Home / 8,911.39-13,366.78-4,233.64

Finding the Fourth Proportional to 8,911.39, 13,366.78 and 4,233.64

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Solution

The fourth proportional to 8,911.39, 13,366.78 and 4,233.64 is: 6,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.39 : 13,366.78 = 4,233.64 : x
  2. Step 2: Convert to fraction form
    8,911.39/13,366.78 = 4,233.64/x
  3. Step 3: Cross multiply
    8,911.39x = 13,366.78 × 4,233.64
  4. Step 4: Simplify right side
    8,911.39x = 56,590,134.48
  5. Step 5: Solve for x
    x = 56,590,134.48/8,911.39
  6. Step 6: Final answer
    x = 6,350.32

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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.