Home / 5,016.89-6,922.44-3,129.06

Finding the Fourth Proportional to 5,016.89, 6,922.44 and 3,129.06

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Solution

The fourth proportional to 5,016.89, 6,922.44 and 3,129.06 is: 4,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.89 : 6,922.44 = 3,129.06 : x
  2. Step 2: Convert to fraction form
    5,016.89/6,922.44 = 3,129.06/x
  3. Step 3: Cross multiply
    5,016.89x = 6,922.44 × 3,129.06
  4. Step 4: Simplify right side
    5,016.89x = 21,660,730.11
  5. Step 5: Solve for x
    x = 21,660,730.11/5,016.89
  6. Step 6: Final answer
    x = 4,317.56

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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.