Home / 7,971.36-11,961.36-3,354.24

Finding the Fourth Proportional to 7,971.36, 11,961.36 and 3,354.24

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Solution

The fourth proportional to 7,971.36, 11,961.36 and 3,354.24 is: 5,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.36 : 11,961.36 = 3,354.24 : x
  2. Step 2: Convert to fraction form
    7,971.36/11,961.36 = 3,354.24/x
  3. Step 3: Cross multiply
    7,971.36x = 11,961.36 × 3,354.24
  4. Step 4: Simplify right side
    7,971.36x = 40,121,272.17
  5. Step 5: Solve for x
    x = 40,121,272.17/7,971.36
  6. Step 6: Final answer
    x = 5,033.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.