Home / 6,672.45-9,999.36-3,161.10

Finding the Fourth Proportional to 6,672.45, 9,999.36 and 3,161.10

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Solution

The fourth proportional to 6,672.45, 9,999.36 and 3,161.10 is: 4,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.45 : 9,999.36 = 3,161.10 : x
  2. Step 2: Convert to fraction form
    6,672.45/9,999.36 = 3,161.10/x
  3. Step 3: Cross multiply
    6,672.45x = 9,999.36 × 3,161.10
  4. Step 4: Simplify right side
    6,672.45x = 31,608,976.90
  5. Step 5: Solve for x
    x = 31,608,976.90/6,672.45
  6. Step 6: Final answer
    x = 4,737.24

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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.