Home / 6,645.96-9,963.36-4,447.98

Finding the Fourth Proportional to 6,645.96, 9,963.36 and 4,447.98

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Solution

The fourth proportional to 6,645.96, 9,963.36 and 4,447.98 is: 6,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.96 : 9,963.36 = 4,447.98 : x
  2. Step 2: Convert to fraction form
    6,645.96/9,963.36 = 4,447.98/x
  3. Step 3: Cross multiply
    6,645.96x = 9,963.36 × 4,447.98
  4. Step 4: Simplify right side
    6,645.96x = 44,316,826.01
  5. Step 5: Solve for x
    x = 44,316,826.01/6,645.96
  6. Step 6: Final answer
    x = 6,668.24

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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.