Home / 4,419.34-6,629-1,645.95

Finding the Fourth Proportional to 4,419.34, 6,629 and 1,645.95

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Solution

The fourth proportional to 4,419.34, 6,629 and 1,645.95 is: 2,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.34 : 6,629 = 1,645.95 : x
  2. Step 2: Convert to fraction form
    4,419.34/6,629 = 1,645.95/x
  3. Step 3: Cross multiply
    4,419.34x = 6,629 × 1,645.95
  4. Step 4: Simplify right side
    4,419.34x = 10,911,002.55
  5. Step 5: Solve for x
    x = 10,911,002.55/4,419.34
  6. Step 6: Final answer
    x = 2,468.92

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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.