Home / 8,074.36-12,111.58-2,231.44

Finding the Fourth Proportional to 8,074.36, 12,111.58 and 2,231.44

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Solution

The fourth proportional to 8,074.36, 12,111.58 and 2,231.44 is: 3,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.36 : 12,111.58 = 2,231.44 : x
  2. Step 2: Convert to fraction form
    8,074.36/12,111.58 = 2,231.44/x
  3. Step 3: Cross multiply
    8,074.36x = 12,111.58 × 2,231.44
  4. Step 4: Simplify right side
    8,074.36x = 27,026,264.08
  5. Step 5: Solve for x
    x = 27,026,264.08/8,074.36
  6. Step 6: Final answer
    x = 3,347.17

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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.