Home / 4,332.04-6,489.90-2,138.20

Finding the Fourth Proportional to 4,332.04, 6,489.90 and 2,138.20

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Solution

The fourth proportional to 4,332.04, 6,489.90 and 2,138.20 is: 3,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332.04 : 6,489.90 = 2,138.20 : x
  2. Step 2: Convert to fraction form
    4,332.04/6,489.90 = 2,138.20/x
  3. Step 3: Cross multiply
    4,332.04x = 6,489.90 × 2,138.20
  4. Step 4: Simplify right side
    4,332.04x = 13,876,704.18
  5. Step 5: Solve for x
    x = 13,876,704.18/4,332.04
  6. Step 6: Final answer
    x = 3,203.27

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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.