Home / 8,327.78-11,486.89-5,338.88

Finding the Fourth Proportional to 8,327.78, 11,486.89 and 5,338.88

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Solution

The fourth proportional to 8,327.78, 11,486.89 and 5,338.88 is: 7,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.78 : 11,486.89 = 5,338.88 : x
  2. Step 2: Convert to fraction form
    8,327.78/11,486.89 = 5,338.88/x
  3. Step 3: Cross multiply
    8,327.78x = 11,486.89 × 5,338.88
  4. Step 4: Simplify right side
    8,327.78x = 61,327,127.28
  5. Step 5: Solve for x
    x = 61,327,127.28/8,327.78
  6. Step 6: Final answer
    x = 7,364.16

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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.