Home / 8,651.20-11,944.96-6,758.08

Finding the Fourth Proportional to 8,651.20, 11,944.96 and 6,758.08

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Solution

The fourth proportional to 8,651.20, 11,944.96 and 6,758.08 is: 9,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.20 : 11,944.96 = 6,758.08 : x
  2. Step 2: Convert to fraction form
    8,651.20/11,944.96 = 6,758.08/x
  3. Step 3: Cross multiply
    8,651.20x = 11,944.96 × 6,758.08
  4. Step 4: Simplify right side
    8,651.20x = 80,724,995.28
  5. Step 5: Solve for x
    x = 80,724,995.28/8,651.20
  6. Step 6: Final answer
    x = 9,331.07

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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.