Home / 9,328.44-13,990.57-2,753.09

Finding the Fourth Proportional to 9,328.44, 13,990.57 and 2,753.09

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Solution

The fourth proportional to 9,328.44, 13,990.57 and 2,753.09 is: 4,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.44 : 13,990.57 = 2,753.09 : x
  2. Step 2: Convert to fraction form
    9,328.44/13,990.57 = 2,753.09/x
  3. Step 3: Cross multiply
    9,328.44x = 13,990.57 × 2,753.09
  4. Step 4: Simplify right side
    9,328.44x = 38,517,289.48
  5. Step 5: Solve for x
    x = 38,517,289.48/9,328.44
  6. Step 6: Final answer
    x = 4,129.02

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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.