Home / 4,221.52-6,331.68-1,448.14

Finding the Fourth Proportional to 4,221.52, 6,331.68 and 1,448.14

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Solution

The fourth proportional to 4,221.52, 6,331.68 and 1,448.14 is: 2,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.52 : 6,331.68 = 1,448.14 : x
  2. Step 2: Convert to fraction form
    4,221.52/6,331.68 = 1,448.14/x
  3. Step 3: Cross multiply
    4,221.52x = 6,331.68 × 1,448.14
  4. Step 4: Simplify right side
    4,221.52x = 9,169,159.08
  5. Step 5: Solve for x
    x = 9,169,159.08/4,221.52
  6. Step 6: Final answer
    x = 2,172.01

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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.