Home / 8,910.83-13,365.96-4,234.20

Finding the Fourth Proportional to 8,910.83, 13,365.96 and 4,234.20

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Solution

The fourth proportional to 8,910.83, 13,365.96 and 4,234.20 is: 6,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.83 : 13,365.96 = 4,234.20 : x
  2. Step 2: Convert to fraction form
    8,910.83/13,365.96 = 4,234.20/x
  3. Step 3: Cross multiply
    8,910.83x = 13,365.96 × 4,234.20
  4. Step 4: Simplify right side
    8,910.83x = 56,594,147.83
  5. Step 5: Solve for x
    x = 56,594,147.83/8,910.83
  6. Step 6: Final answer
    x = 6,351.16

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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.