Home / 8,409.06-12,612.24-3,476.88

Finding the Fourth Proportional to 8,409.06, 12,612.24 and 3,476.88

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Solution

The fourth proportional to 8,409.06, 12,612.24 and 3,476.88 is: 5,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.06 : 12,612.24 = 3,476.88 : x
  2. Step 2: Convert to fraction form
    8,409.06/12,612.24 = 3,476.88/x
  3. Step 3: Cross multiply
    8,409.06x = 12,612.24 × 3,476.88
  4. Step 4: Simplify right side
    8,409.06x = 43,851,245.01
  5. Step 5: Solve for x
    x = 43,851,245.01/8,409.06
  6. Step 6: Final answer
    x = 5,214.76

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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.