Home / 5,009.84-6,912.33-3,239.32

Finding the Fourth Proportional to 5,009.84, 6,912.33 and 3,239.32

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Solution

The fourth proportional to 5,009.84, 6,912.33 and 3,239.32 is: 4,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.84 : 6,912.33 = 3,239.32 : x
  2. Step 2: Convert to fraction form
    5,009.84/6,912.33 = 3,239.32/x
  3. Step 3: Cross multiply
    5,009.84x = 6,912.33 × 3,239.32
  4. Step 4: Simplify right side
    5,009.84x = 22,391,214.25
  5. Step 5: Solve for x
    x = 22,391,214.25/5,009.84
  6. Step 6: Final answer
    x = 4,469.45

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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.