Home / 4,428.90-6,643.35-3,651.30

Finding the Fourth Proportional to 4,428.90, 6,643.35 and 3,651.30

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Solution

The fourth proportional to 4,428.90, 6,643.35 and 3,651.30 is: 5,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.90 : 6,643.35 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    4,428.90/6,643.35 = 3,651.30/x
  3. Step 3: Cross multiply
    4,428.90x = 6,643.35 × 3,651.30
  4. Step 4: Simplify right side
    4,428.90x = 24,256,863.86
  5. Step 5: Solve for x
    x = 24,256,863.86/4,428.90
  6. Step 6: Final answer
    x = 5,476.95

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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.