Home / 7,988.32-11,984.00-3,605.77

Finding the Fourth Proportional to 7,988.32, 11,984.00 and 3,605.77

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Solution

The fourth proportional to 7,988.32, 11,984.00 and 3,605.77 is: 5,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.32 : 11,984.00 = 3,605.77 : x
  2. Step 2: Convert to fraction form
    7,988.32/11,984.00 = 3,605.77/x
  3. Step 3: Cross multiply
    7,988.32x = 11,984.00 × 3,605.77
  4. Step 4: Simplify right side
    7,988.32x = 43,211,497.50
  5. Step 5: Solve for x
    x = 43,211,497.50/7,988.32
  6. Step 6: Final answer
    x = 5,409.33

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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.