Home / 5,007.31-6,910.19-2,911.03

Finding the Fourth Proportional to 5,007.31, 6,910.19 and 2,911.03

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Solution

The fourth proportional to 5,007.31, 6,910.19 and 2,911.03 is: 4,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.31 : 6,910.19 = 2,911.03 : x
  2. Step 2: Convert to fraction form
    5,007.31/6,910.19 = 2,911.03/x
  3. Step 3: Cross multiply
    5,007.31x = 6,910.19 × 2,911.03
  4. Step 4: Simplify right side
    5,007.31x = 20,115,770.40
  5. Step 5: Solve for x
    x = 20,115,770.40/5,007.31
  6. Step 6: Final answer
    x = 4,017.28

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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.