Home / 7,372.71-10,174.32-4,228.88

Finding the Fourth Proportional to 7,372.71, 10,174.32 and 4,228.88

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Solution

The fourth proportional to 7,372.71, 10,174.32 and 4,228.88 is: 5,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.71 : 10,174.32 = 4,228.88 : x
  2. Step 2: Convert to fraction form
    7,372.71/10,174.32 = 4,228.88/x
  3. Step 3: Cross multiply
    7,372.71x = 10,174.32 × 4,228.88
  4. Step 4: Simplify right side
    7,372.71x = 43,025,927.49
  5. Step 5: Solve for x
    x = 43,025,927.49/7,372.71
  6. Step 6: Final answer
    x = 5,835.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.