Home / 7,997.21-11,039.45-5,012.36

Finding the Fourth Proportional to 7,997.21, 11,039.45 and 5,012.36

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Solution

The fourth proportional to 7,997.21, 11,039.45 and 5,012.36 is: 6,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.21 : 11,039.45 = 5,012.36 : x
  2. Step 2: Convert to fraction form
    7,997.21/11,039.45 = 5,012.36/x
  3. Step 3: Cross multiply
    7,997.21x = 11,039.45 × 5,012.36
  4. Step 4: Simplify right side
    7,997.21x = 55,333,697.60
  5. Step 5: Solve for x
    x = 55,333,697.60/7,997.21
  6. Step 6: Final answer
    x = 6,919.13

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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.