Home / 8,538.13-11,783.78-5,002.75

Finding the Fourth Proportional to 8,538.13, 11,783.78 and 5,002.75

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Solution

The fourth proportional to 8,538.13, 11,783.78 and 5,002.75 is: 6,904.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.13 : 11,783.78 = 5,002.75 : x
  2. Step 2: Convert to fraction form
    8,538.13/11,783.78 = 5,002.75/x
  3. Step 3: Cross multiply
    8,538.13x = 11,783.78 × 5,002.75
  4. Step 4: Simplify right side
    8,538.13x = 58,951,305.40
  5. Step 5: Solve for x
    x = 58,951,305.40/8,538.13
  6. Step 6: Final answer
    x = 6,904.48

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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.