Home / 5,104.31-7,043.70-2,866.14

Finding the Fourth Proportional to 5,104.31, 7,043.70 and 2,866.14

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Solution

The fourth proportional to 5,104.31, 7,043.70 and 2,866.14 is: 3,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.31 : 7,043.70 = 2,866.14 : x
  2. Step 2: Convert to fraction form
    5,104.31/7,043.70 = 2,866.14/x
  3. Step 3: Cross multiply
    5,104.31x = 7,043.70 × 2,866.14
  4. Step 4: Simplify right side
    5,104.31x = 20,188,230.32
  5. Step 5: Solve for x
    x = 20,188,230.32/5,104.31
  6. Step 6: Final answer
    x = 3,955.14

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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.