Home / 7,992.15-11,988.14-3,606.54

Finding the Fourth Proportional to 7,992.15, 11,988.14 and 3,606.54

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Solution

The fourth proportional to 7,992.15, 11,988.14 and 3,606.54 is: 5,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.15 : 11,988.14 = 3,606.54 : x
  2. Step 2: Convert to fraction form
    7,992.15/11,988.14 = 3,606.54/x
  3. Step 3: Cross multiply
    7,992.15x = 11,988.14 × 3,606.54
  4. Step 4: Simplify right side
    7,992.15x = 43,235,688.40
  5. Step 5: Solve for x
    x = 43,235,688.40/7,992.15
  6. Step 6: Final answer
    x = 5,409.77

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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.