Home / 4,221.38-6,332.81-1,448.34

Finding the Fourth Proportional to 4,221.38, 6,332.81 and 1,448.34

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Solution

The fourth proportional to 4,221.38, 6,332.81 and 1,448.34 is: 2,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.38 : 6,332.81 = 1,448.34 : x
  2. Step 2: Convert to fraction form
    4,221.38/6,332.81 = 1,448.34/x
  3. Step 3: Cross multiply
    4,221.38x = 6,332.81 × 1,448.34
  4. Step 4: Simplify right side
    4,221.38x = 9,172,054.79
  5. Step 5: Solve for x
    x = 9,172,054.79/4,221.38
  6. Step 6: Final answer
    x = 2,172.76

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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.