Home / 5,910.31-8,156.64-3,393.19

Finding the Fourth Proportional to 5,910.31, 8,156.64 and 3,393.19

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Solution

The fourth proportional to 5,910.31, 8,156.64 and 3,393.19 is: 4,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.31 : 8,156.64 = 3,393.19 : x
  2. Step 2: Convert to fraction form
    5,910.31/8,156.64 = 3,393.19/x
  3. Step 3: Cross multiply
    5,910.31x = 8,156.64 × 3,393.19
  4. Step 4: Simplify right side
    5,910.31x = 27,677,029.28
  5. Step 5: Solve for x
    x = 27,677,029.28/5,910.31
  6. Step 6: Final answer
    x = 4,682.84

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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.