Home / 4,221.20-6,332.16-1,101.62

Finding the Fourth Proportional to 4,221.20, 6,332.16 and 1,101.62

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Solution

The fourth proportional to 4,221.20, 6,332.16 and 1,101.62 is: 1,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.20 : 6,332.16 = 1,101.62 : x
  2. Step 2: Convert to fraction form
    4,221.20/6,332.16 = 1,101.62/x
  3. Step 3: Cross multiply
    4,221.20x = 6,332.16 × 1,101.62
  4. Step 4: Simplify right side
    4,221.20x = 6,975,634.10
  5. Step 5: Solve for x
    x = 6,975,634.10/4,221.20
  6. Step 6: Final answer
    x = 1,652.52

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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.