Home / 8,910.39-13,365.28-4,232.64

Finding the Fourth Proportional to 8,910.39, 13,365.28 and 4,232.64

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Solution

The fourth proportional to 8,910.39, 13,365.28 and 4,232.64 is: 6,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.39 : 13,365.28 = 4,232.64 : x
  2. Step 2: Convert to fraction form
    8,910.39/13,365.28 = 4,232.64/x
  3. Step 3: Cross multiply
    8,910.39x = 13,365.28 × 4,232.64
  4. Step 4: Simplify right side
    8,910.39x = 56,570,418.74
  5. Step 5: Solve for x
    x = 56,570,418.74/8,910.39
  6. Step 6: Final answer
    x = 6,348.82

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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.