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Finding the Fourth Proportional to 5,799.31, 8,001.70 and 3,914.40

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Solution

The fourth proportional to 5,799.31, 8,001.70 and 3,914.40 is: 5,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.31 : 8,001.70 = 3,914.40 : x
  2. Step 2: Convert to fraction form
    5,799.31/8,001.70 = 3,914.40/x
  3. Step 3: Cross multiply
    5,799.31x = 8,001.70 × 3,914.40
  4. Step 4: Simplify right side
    5,799.31x = 31,321,854.48
  5. Step 5: Solve for x
    x = 31,321,854.48/5,799.31
  6. Step 6: Final answer
    x = 5,400.96

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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.