Home / 4,419.68-6,615.96-2,770.48

Finding the Fourth Proportional to 4,419.68, 6,615.96 and 2,770.48

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Solution

The fourth proportional to 4,419.68, 6,615.96 and 2,770.48 is: 4,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.68 : 6,615.96 = 2,770.48 : x
  2. Step 2: Convert to fraction form
    4,419.68/6,615.96 = 2,770.48/x
  3. Step 3: Cross multiply
    4,419.68x = 6,615.96 × 2,770.48
  4. Step 4: Simplify right side
    4,419.68x = 18,329,384.86
  5. Step 5: Solve for x
    x = 18,329,384.86/4,419.68
  6. Step 6: Final answer
    x = 4,147.22

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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.