Home / 4,406.28-6,610.06-1,328.20

Finding the Fourth Proportional to 4,406.28, 6,610.06 and 1,328.20

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Solution

The fourth proportional to 4,406.28, 6,610.06 and 1,328.20 is: 1,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.28 : 6,610.06 = 1,328.20 : x
  2. Step 2: Convert to fraction form
    4,406.28/6,610.06 = 1,328.20/x
  3. Step 3: Cross multiply
    4,406.28x = 6,610.06 × 1,328.20
  4. Step 4: Simplify right side
    4,406.28x = 8,779,481.69
  5. Step 5: Solve for x
    x = 8,779,481.69/4,406.28
  6. Step 6: Final answer
    x = 1,992.49

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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.