Home / 8,005.43-12,008.97-3,079.19

Finding the Fourth Proportional to 8,005.43, 12,008.97 and 3,079.19

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Solution

The fourth proportional to 8,005.43, 12,008.97 and 3,079.19 is: 4,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.43 : 12,008.97 = 3,079.19 : x
  2. Step 2: Convert to fraction form
    8,005.43/12,008.97 = 3,079.19/x
  3. Step 3: Cross multiply
    8,005.43x = 12,008.97 × 3,079.19
  4. Step 4: Simplify right side
    8,005.43x = 36,977,840.29
  5. Step 5: Solve for x
    x = 36,977,840.29/8,005.43
  6. Step 6: Final answer
    x = 4,619.10

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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.