Home / 7,982.19-11,015.01-4,396.47

Finding the Fourth Proportional to 7,982.19, 11,015.01 and 4,396.47

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Solution

The fourth proportional to 7,982.19, 11,015.01 and 4,396.47 is: 6,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.19 : 11,015.01 = 4,396.47 : x
  2. Step 2: Convert to fraction form
    7,982.19/11,015.01 = 4,396.47/x
  3. Step 3: Cross multiply
    7,982.19x = 11,015.01 × 4,396.47
  4. Step 4: Simplify right side
    7,982.19x = 48,427,161.01
  5. Step 5: Solve for x
    x = 48,427,161.01/7,982.19
  6. Step 6: Final answer
    x = 6,066.90

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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.