Home / 6,345.74-9,519.25-2,185.20

Finding the Fourth Proportional to 6,345.74, 9,519.25 and 2,185.20

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Solution

The fourth proportional to 6,345.74, 9,519.25 and 2,185.20 is: 3,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.74 : 9,519.25 = 2,185.20 : x
  2. Step 2: Convert to fraction form
    6,345.74/9,519.25 = 2,185.20/x
  3. Step 3: Cross multiply
    6,345.74x = 9,519.25 × 2,185.20
  4. Step 4: Simplify right side
    6,345.74x = 20,801,467.83
  5. Step 5: Solve for x
    x = 20,801,467.83/6,345.74
  6. Step 6: Final answer
    x = 3,278.02

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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.