Home / 6,620.12-9,925.37-3,108.32

Finding the Fourth Proportional to 6,620.12, 9,925.37 and 3,108.32

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Solution

The fourth proportional to 6,620.12, 9,925.37 and 3,108.32 is: 4,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.12 : 9,925.37 = 3,108.32 : x
  2. Step 2: Convert to fraction form
    6,620.12/9,925.37 = 3,108.32/x
  3. Step 3: Cross multiply
    6,620.12x = 9,925.37 × 3,108.32
  4. Step 4: Simplify right side
    6,620.12x = 30,851,160.91
  5. Step 5: Solve for x
    x = 30,851,160.91/6,620.12
  6. Step 6: Final answer
    x = 4,660.22

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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.