Home / 7,983.16-11,983.55-4,654.97

Finding the Fourth Proportional to 7,983.16, 11,983.55 and 4,654.97

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Solution

The fourth proportional to 7,983.16, 11,983.55 and 4,654.97 is: 6,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.16 : 11,983.55 = 4,654.97 : x
  2. Step 2: Convert to fraction form
    7,983.16/11,983.55 = 4,654.97/x
  3. Step 3: Cross multiply
    7,983.16x = 11,983.55 × 4,654.97
  4. Step 4: Simplify right side
    7,983.16x = 55,783,027.49
  5. Step 5: Solve for x
    x = 55,783,027.49/7,983.16
  6. Step 6: Final answer
    x = 6,987.59

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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.