Home / 4,472.40-6,703.73-1,872.30

Finding the Fourth Proportional to 4,472.40, 6,703.73 and 1,872.30

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Solution

The fourth proportional to 4,472.40, 6,703.73 and 1,872.30 is: 2,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.40 : 6,703.73 = 1,872.30 : x
  2. Step 2: Convert to fraction form
    4,472.40/6,703.73 = 1,872.30/x
  3. Step 3: Cross multiply
    4,472.40x = 6,703.73 × 1,872.30
  4. Step 4: Simplify right side
    4,472.40x = 12,551,393.68
  5. Step 5: Solve for x
    x = 12,551,393.68/4,472.40
  6. Step 6: Final answer
    x = 2,806.41

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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.