Home / 8,112.40-11,197.13-4,577.65

Finding the Fourth Proportional to 8,112.40, 11,197.13 and 4,577.65

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Solution

The fourth proportional to 8,112.40, 11,197.13 and 4,577.65 is: 6,318.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.40 : 11,197.13 = 4,577.65 : x
  2. Step 2: Convert to fraction form
    8,112.40/11,197.13 = 4,577.65/x
  3. Step 3: Cross multiply
    8,112.40x = 11,197.13 × 4,577.65
  4. Step 4: Simplify right side
    8,112.40x = 51,256,491.26
  5. Step 5: Solve for x
    x = 51,256,491.26/8,112.40
  6. Step 6: Final answer
    x = 6,318.29

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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.