Home / 8,004.40-11,990.68-6,264.88

Finding the Fourth Proportional to 8,004.40, 11,990.68 and 6,264.88

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Solution

The fourth proportional to 8,004.40, 11,990.68 and 6,264.88 is: 9,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.40 : 11,990.68 = 6,264.88 : x
  2. Step 2: Convert to fraction form
    8,004.40/11,990.68 = 6,264.88/x
  3. Step 3: Cross multiply
    8,004.40x = 11,990.68 × 6,264.88
  4. Step 4: Simplify right side
    8,004.40x = 75,120,171.32
  5. Step 5: Solve for x
    x = 75,120,171.32/8,004.40
  6. Step 6: Final answer
    x = 9,384.86

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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.