Home / 7,824.38-11,739.32-5,202.30

Finding the Fourth Proportional to 7,824.38, 11,739.32 and 5,202.30

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Solution

The fourth proportional to 7,824.38, 11,739.32 and 5,202.30 is: 7,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.38 : 11,739.32 = 5,202.30 : x
  2. Step 2: Convert to fraction form
    7,824.38/11,739.32 = 5,202.30/x
  3. Step 3: Cross multiply
    7,824.38x = 11,739.32 × 5,202.30
  4. Step 4: Simplify right side
    7,824.38x = 61,071,464.44
  5. Step 5: Solve for x
    x = 61,071,464.44/7,824.38
  6. Step 6: Final answer
    x = 7,805.28

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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.