Home / 4,419.68-6,620.67-2,663.69

Finding the Fourth Proportional to 4,419.68, 6,620.67 and 2,663.69

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Solution

The fourth proportional to 4,419.68, 6,620.67 and 2,663.69 is: 3,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.68 : 6,620.67 = 2,663.69 : x
  2. Step 2: Convert to fraction form
    4,419.68/6,620.67 = 2,663.69/x
  3. Step 3: Cross multiply
    4,419.68x = 6,620.67 × 2,663.69
  4. Step 4: Simplify right side
    4,419.68x = 17,635,412.47
  5. Step 5: Solve for x
    x = 17,635,412.47/4,419.68
  6. Step 6: Final answer
    x = 3,990.20

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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.