Home / 8,053.96-12,079.52-2,130.90

Finding the Fourth Proportional to 8,053.96, 12,079.52 and 2,130.90

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Solution

The fourth proportional to 8,053.96, 12,079.52 and 2,130.90 is: 3,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.96 : 12,079.52 = 2,130.90 : x
  2. Step 2: Convert to fraction form
    8,053.96/12,079.52 = 2,130.90/x
  3. Step 3: Cross multiply
    8,053.96x = 12,079.52 × 2,130.90
  4. Step 4: Simplify right side
    8,053.96x = 25,740,249.17
  5. Step 5: Solve for x
    x = 25,740,249.17/8,053.96
  6. Step 6: Final answer
    x = 3,195.97

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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.