Home / 8,080.05-12,089.01-4,959.39

Finding the Fourth Proportional to 8,080.05, 12,089.01 and 4,959.39

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Solution

The fourth proportional to 8,080.05, 12,089.01 and 4,959.39 is: 7,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.05 : 12,089.01 = 4,959.39 : x
  2. Step 2: Convert to fraction form
    8,080.05/12,089.01 = 4,959.39/x
  3. Step 3: Cross multiply
    8,080.05x = 12,089.01 × 4,959.39
  4. Step 4: Simplify right side
    8,080.05x = 59,954,115.30
  5. Step 5: Solve for x
    x = 59,954,115.30/8,080.05
  6. Step 6: Final answer
    x = 7,420.02

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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.