Home / 8,910.76-13,365.87-4,234.14

Finding the Fourth Proportional to 8,910.76, 13,365.87 and 4,234.14

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Solution

The fourth proportional to 8,910.76, 13,365.87 and 4,234.14 is: 6,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.76 : 13,365.87 = 4,234.14 : x
  2. Step 2: Convert to fraction form
    8,910.76/13,365.87 = 4,234.14/x
  3. Step 3: Cross multiply
    8,910.76x = 13,365.87 × 4,234.14
  4. Step 4: Simplify right side
    8,910.76x = 56,592,964.80
  5. Step 5: Solve for x
    x = 56,592,964.80/8,910.76
  6. Step 6: Final answer
    x = 6,351.08

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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.