Home / 9,328.50-13,983.57-3,778.38

Finding the Fourth Proportional to 9,328.50, 13,983.57 and 3,778.38

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Solution

The fourth proportional to 9,328.50, 13,983.57 and 3,778.38 is: 5,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.50 : 13,983.57 = 3,778.38 : x
  2. Step 2: Convert to fraction form
    9,328.50/13,983.57 = 3,778.38/x
  3. Step 3: Cross multiply
    9,328.50x = 13,983.57 × 3,778.38
  4. Step 4: Simplify right side
    9,328.50x = 52,835,241.22
  5. Step 5: Solve for x
    x = 52,835,241.22/9,328.50
  6. Step 6: Final answer
    x = 5,663.85

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1.5x scale

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.