Home / 7,991.16-11,988.56-2,444.93

Finding the Fourth Proportional to 7,991.16, 11,988.56 and 2,444.93

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Solution

The fourth proportional to 7,991.16, 11,988.56 and 2,444.93 is: 3,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.16 : 11,988.56 = 2,444.93 : x
  2. Step 2: Convert to fraction form
    7,991.16/11,988.56 = 2,444.93/x
  3. Step 3: Cross multiply
    7,991.16x = 11,988.56 × 2,444.93
  4. Step 4: Simplify right side
    7,991.16x = 29,311,234.81
  5. Step 5: Solve for x
    x = 29,311,234.81/7,991.16
  6. Step 6: Final answer
    x = 3,667.96

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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.