Home / 6,645.08-9,170.02-3,620.14

Finding the Fourth Proportional to 6,645.08, 9,170.02 and 3,620.14

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Solution

The fourth proportional to 6,645.08, 9,170.02 and 3,620.14 is: 4,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.08 : 9,170.02 = 3,620.14 : x
  2. Step 2: Convert to fraction form
    6,645.08/9,170.02 = 3,620.14/x
  3. Step 3: Cross multiply
    6,645.08x = 9,170.02 × 3,620.14
  4. Step 4: Simplify right side
    6,645.08x = 33,196,737.80
  5. Step 5: Solve for x
    x = 33,196,737.80/6,645.08
  6. Step 6: Final answer
    x = 4,995.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.