Home / 5,016.96-6,912-3,967.20

Finding the Fourth Proportional to 5,016.96, 6,912 and 3,967.20

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Solution

The fourth proportional to 5,016.96, 6,912 and 3,967.20 is: 5,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.96 : 6,912 = 3,967.20 : x
  2. Step 2: Convert to fraction form
    5,016.96/6,912 = 3,967.20/x
  3. Step 3: Cross multiply
    5,016.96x = 6,912 × 3,967.20
  4. Step 4: Simplify right side
    5,016.96x = 27,421,286.40
  5. Step 5: Solve for x
    x = 27,421,286.40/5,016.96
  6. Step 6: Final answer
    x = 5,465.72

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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.