Home / 7,681.96-11,524.38-2,487.16

Finding the Fourth Proportional to 7,681.96, 11,524.38 and 2,487.16

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Solution

The fourth proportional to 7,681.96, 11,524.38 and 2,487.16 is: 3,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.96 : 11,524.38 = 2,487.16 : x
  2. Step 2: Convert to fraction form
    7,681.96/11,524.38 = 2,487.16/x
  3. Step 3: Cross multiply
    7,681.96x = 11,524.38 × 2,487.16
  4. Step 4: Simplify right side
    7,681.96x = 28,662,976.96
  5. Step 5: Solve for x
    x = 28,662,976.96/7,681.96
  6. Step 6: Final answer
    x = 3,731.21

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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.