Home / 9,305.09-12,839.94-5,325.96

Finding the Fourth Proportional to 9,305.09, 12,839.94 and 5,325.96

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Solution

The fourth proportional to 9,305.09, 12,839.94 and 5,325.96 is: 7,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.09 : 12,839.94 = 5,325.96 : x
  2. Step 2: Convert to fraction form
    9,305.09/12,839.94 = 5,325.96/x
  3. Step 3: Cross multiply
    9,305.09x = 12,839.94 × 5,325.96
  4. Step 4: Simplify right side
    9,305.09x = 68,385,006.84
  5. Step 5: Solve for x
    x = 68,385,006.84/9,305.09
  6. Step 6: Final answer
    x = 7,349.21

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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.