Home / 4,631.20-6,944.28-3,172

Finding the Fourth Proportional to 4,631.20, 6,944.28 and 3,172

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Solution

The fourth proportional to 4,631.20, 6,944.28 and 3,172 is: 4,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.20 : 6,944.28 = 3,172 : x
  2. Step 2: Convert to fraction form
    4,631.20/6,944.28 = 3,172/x
  3. Step 3: Cross multiply
    4,631.20x = 6,944.28 × 3,172
  4. Step 4: Simplify right side
    4,631.20x = 22,027,256.16
  5. Step 5: Solve for x
    x = 22,027,256.16/4,631.20
  6. Step 6: Final answer
    x = 4,756.27

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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.