Home / 4,221.87-6,325.86-1,447.01

Finding the Fourth Proportional to 4,221.87, 6,325.86 and 1,447.01

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Solution

The fourth proportional to 4,221.87, 6,325.86 and 1,447.01 is: 2,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.87 : 6,325.86 = 1,447.01 : x
  2. Step 2: Convert to fraction form
    4,221.87/6,325.86 = 1,447.01/x
  3. Step 3: Cross multiply
    4,221.87x = 6,325.86 × 1,447.01
  4. Step 4: Simplify right side
    4,221.87x = 9,153,615.78
  5. Step 5: Solve for x
    x = 9,153,615.78/4,221.87
  6. Step 6: Final answer
    x = 2,168.14

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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.