Home / 7,998.45-11,036.16-4,640.83

Finding the Fourth Proportional to 7,998.45, 11,036.16 and 4,640.83

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Solution

The fourth proportional to 7,998.45, 11,036.16 and 4,640.83 is: 6,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.45 : 11,036.16 = 4,640.83 : x
  2. Step 2: Convert to fraction form
    7,998.45/11,036.16 = 4,640.83/x
  3. Step 3: Cross multiply
    7,998.45x = 11,036.16 × 4,640.83
  4. Step 4: Simplify right side
    7,998.45x = 51,216,967.91
  5. Step 5: Solve for x
    x = 51,216,967.91/7,998.45
  6. Step 6: Final answer
    x = 6,403.36

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Half scale
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Double scale
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Similar ratio
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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.