Home / 8,141.55-11,235.54-4,556.39

Finding the Fourth Proportional to 8,141.55, 11,235.54 and 4,556.39

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Solution

The fourth proportional to 8,141.55, 11,235.54 and 4,556.39 is: 6,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.55 : 11,235.54 = 4,556.39 : x
  2. Step 2: Convert to fraction form
    8,141.55/11,235.54 = 4,556.39/x
  3. Step 3: Cross multiply
    8,141.55x = 11,235.54 × 4,556.39
  4. Step 4: Simplify right side
    8,141.55x = 51,193,502.10
  5. Step 5: Solve for x
    x = 51,193,502.10/8,141.55
  6. Step 6: Final answer
    x = 6,287.93

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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.