Home / 4,419.52-6,631.68-3,323.20

Finding the Fourth Proportional to 4,419.52, 6,631.68 and 3,323.20

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Solution

The fourth proportional to 4,419.52, 6,631.68 and 3,323.20 is: 4,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.52 : 6,631.68 = 3,323.20 : x
  2. Step 2: Convert to fraction form
    4,419.52/6,631.68 = 3,323.20/x
  3. Step 3: Cross multiply
    4,419.52x = 6,631.68 × 3,323.20
  4. Step 4: Simplify right side
    4,419.52x = 22,038,398.98
  5. Step 5: Solve for x
    x = 22,038,398.98/4,419.52
  6. Step 6: Final answer
    x = 4,986.60

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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.