Home / 4,070.36-6,101.94-1,989.20

Finding the Fourth Proportional to 4,070.36, 6,101.94 and 1,989.20

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Solution

The fourth proportional to 4,070.36, 6,101.94 and 1,989.20 is: 2,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.36 : 6,101.94 = 1,989.20 : x
  2. Step 2: Convert to fraction form
    4,070.36/6,101.94 = 1,989.20/x
  3. Step 3: Cross multiply
    4,070.36x = 6,101.94 × 1,989.20
  4. Step 4: Simplify right side
    4,070.36x = 12,137,979.05
  5. Step 5: Solve for x
    x = 12,137,979.05/4,070.36
  6. Step 6: Final answer
    x = 2,982.04

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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.