Home / 8,079.15-12,117.81-2,235

Finding the Fourth Proportional to 8,079.15, 12,117.81 and 2,235

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Solution

The fourth proportional to 8,079.15, 12,117.81 and 2,235 is: 3,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.15 : 12,117.81 = 2,235 : x
  2. Step 2: Convert to fraction form
    8,079.15/12,117.81 = 2,235/x
  3. Step 3: Cross multiply
    8,079.15x = 12,117.81 × 2,235
  4. Step 4: Simplify right side
    8,079.15x = 27,083,305.35
  5. Step 5: Solve for x
    x = 27,083,305.35/8,079.15
  6. Step 6: Final answer
    x = 3,352.25

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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.