Home / 8,053.20-12,079.80-3,880.52

Finding the Fourth Proportional to 8,053.20, 12,079.80 and 3,880.52

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Solution

The fourth proportional to 8,053.20, 12,079.80 and 3,880.52 is: 5,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.20 : 12,079.80 = 3,880.52 : x
  2. Step 2: Convert to fraction form
    8,053.20/12,079.80 = 3,880.52/x
  3. Step 3: Cross multiply
    8,053.20x = 12,079.80 × 3,880.52
  4. Step 4: Simplify right side
    8,053.20x = 46,875,905.50
  5. Step 5: Solve for x
    x = 46,875,905.50/8,053.20
  6. Step 6: Final answer
    x = 5,820.78

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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.