Home / 6,638.18-9,163.49-4,403.34

Finding the Fourth Proportional to 6,638.18, 9,163.49 and 4,403.34

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Solution

The fourth proportional to 6,638.18, 9,163.49 and 4,403.34 is: 6,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.18 : 9,163.49 = 4,403.34 : x
  2. Step 2: Convert to fraction form
    6,638.18/9,163.49 = 4,403.34/x
  3. Step 3: Cross multiply
    6,638.18x = 9,163.49 × 4,403.34
  4. Step 4: Simplify right side
    6,638.18x = 40,349,940.04
  5. Step 5: Solve for x
    x = 40,349,940.04/6,638.18
  6. Step 6: Final answer
    x = 6,078.47

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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.