Home / 8,179.01-11,287.09-4,642.28

Finding the Fourth Proportional to 8,179.01, 11,287.09 and 4,642.28

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Solution

The fourth proportional to 8,179.01, 11,287.09 and 4,642.28 is: 6,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.01 : 11,287.09 = 4,642.28 : x
  2. Step 2: Convert to fraction form
    8,179.01/11,287.09 = 4,642.28/x
  3. Step 3: Cross multiply
    8,179.01x = 11,287.09 × 4,642.28
  4. Step 4: Simplify right side
    8,179.01x = 52,397,866.19
  5. Step 5: Solve for x
    x = 52,397,866.19/8,179.01
  6. Step 6: Final answer
    x = 6,406.38

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Half 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.