Home / 4,421.52-6,634.68-3,325.20

Finding the Fourth Proportional to 4,421.52, 6,634.68 and 3,325.20

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Solution

The fourth proportional to 4,421.52, 6,634.68 and 3,325.20 is: 4,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.52 : 6,634.68 = 3,325.20 : x
  2. Step 2: Convert to fraction form
    4,421.52/6,634.68 = 3,325.20/x
  3. Step 3: Cross multiply
    4,421.52x = 6,634.68 × 3,325.20
  4. Step 4: Simplify right side
    4,421.52x = 22,061,637.94
  5. Step 5: Solve for x
    x = 22,061,637.94/4,421.52
  6. Step 6: Final answer
    x = 4,989.60

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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.