Home / 8,074.30-12,111.68-2,230.91

Finding the Fourth Proportional to 8,074.30, 12,111.68 and 2,230.91

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Solution

The fourth proportional to 8,074.30, 12,111.68 and 2,230.91 is: 3,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.30 : 12,111.68 = 2,230.91 : x
  2. Step 2: Convert to fraction form
    8,074.30/12,111.68 = 2,230.91/x
  3. Step 3: Cross multiply
    8,074.30x = 12,111.68 × 2,230.91
  4. Step 4: Simplify right side
    8,074.30x = 27,020,068.03
  5. Step 5: Solve for x
    x = 27,020,068.03/8,074.30
  6. Step 6: Final answer
    x = 3,346.43

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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.