Home / 8,276.20-11,420.92-4,499.20

Finding the Fourth Proportional to 8,276.20, 11,420.92 and 4,499.20

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Solution

The fourth proportional to 8,276.20, 11,420.92 and 4,499.20 is: 6,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.20 : 11,420.92 = 4,499.20 : x
  2. Step 2: Convert to fraction form
    8,276.20/11,420.92 = 4,499.20/x
  3. Step 3: Cross multiply
    8,276.20x = 11,420.92 × 4,499.20
  4. Step 4: Simplify right side
    8,276.20x = 51,385,003.26
  5. Step 5: Solve for x
    x = 51,385,003.26/8,276.20
  6. Step 6: Final answer
    x = 6,208.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.