Home / 5,005.58-6,906.75-3,141.74

Finding the Fourth Proportional to 5,005.58, 6,906.75 and 3,141.74

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Solution

The fourth proportional to 5,005.58, 6,906.75 and 3,141.74 is: 4,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.58 : 6,906.75 = 3,141.74 : x
  2. Step 2: Convert to fraction form
    5,005.58/6,906.75 = 3,141.74/x
  3. Step 3: Cross multiply
    5,005.58x = 6,906.75 × 3,141.74
  4. Step 4: Simplify right side
    5,005.58x = 21,699,212.75
  5. Step 5: Solve for x
    x = 21,699,212.75/5,005.58
  6. Step 6: Final answer
    x = 4,335.00

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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.