Home / 8,164.05-11,267.30-4,807.69

Finding the Fourth Proportional to 8,164.05, 11,267.30 and 4,807.69

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Solution

The fourth proportional to 8,164.05, 11,267.30 and 4,807.69 is: 6,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.05 : 11,267.30 = 4,807.69 : x
  2. Step 2: Convert to fraction form
    8,164.05/11,267.30 = 4,807.69/x
  3. Step 3: Cross multiply
    8,164.05x = 11,267.30 × 4,807.69
  4. Step 4: Simplify right side
    8,164.05x = 54,169,685.54
  5. Step 5: Solve for x
    x = 54,169,685.54/8,164.05
  6. Step 6: Final answer
    x = 6,635.15

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Half scale
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Double scale
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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.