Home / 8,079.13-12,114.74-3,334.40

Finding the Fourth Proportional to 8,079.13, 12,114.74 and 3,334.40

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Solution

The fourth proportional to 8,079.13, 12,114.74 and 3,334.40 is: 4,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.13 : 12,114.74 = 3,334.40 : x
  2. Step 2: Convert to fraction form
    8,079.13/12,114.74 = 3,334.40/x
  3. Step 3: Cross multiply
    8,079.13x = 12,114.74 × 3,334.40
  4. Step 4: Simplify right side
    8,079.13x = 40,395,389.06
  5. Step 5: Solve for x
    x = 40,395,389.06/8,079.13
  6. Step 6: Final answer
    x = 4,999.97

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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.