Home / 8,349.28-11,509.68-6,577.36

Finding the Fourth Proportional to 8,349.28, 11,509.68 and 6,577.36

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Solution

The fourth proportional to 8,349.28, 11,509.68 and 6,577.36 is: 9,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.28 : 11,509.68 = 6,577.36 : x
  2. Step 2: Convert to fraction form
    8,349.28/11,509.68 = 6,577.36/x
  3. Step 3: Cross multiply
    8,349.28x = 11,509.68 × 6,577.36
  4. Step 4: Simplify right side
    8,349.28x = 75,703,308.84
  5. Step 5: Solve for x
    x = 75,703,308.84/8,349.28
  6. Step 6: Final answer
    x = 9,067.05

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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.