Home / 4,407.08-6,610.62-1,812.20

Finding the Fourth Proportional to 4,407.08, 6,610.62 and 1,812.20

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Solution

The fourth proportional to 4,407.08, 6,610.62 and 1,812.20 is: 2,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.08 : 6,610.62 = 1,812.20 : x
  2. Step 2: Convert to fraction form
    4,407.08/6,610.62 = 1,812.20/x
  3. Step 3: Cross multiply
    4,407.08x = 6,610.62 × 1,812.20
  4. Step 4: Simplify right side
    4,407.08x = 11,979,765.56
  5. Step 5: Solve for x
    x = 11,979,765.56/4,407.08
  6. Step 6: Final answer
    x = 2,718.30

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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.