Home / 7,984.81-11,976.60-3,303.61

Finding the Fourth Proportional to 7,984.81, 11,976.60 and 3,303.61

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Solution

The fourth proportional to 7,984.81, 11,976.60 and 3,303.61 is: 4,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.81 : 11,976.60 = 3,303.61 : x
  2. Step 2: Convert to fraction form
    7,984.81/11,976.60 = 3,303.61/x
  3. Step 3: Cross multiply
    7,984.81x = 11,976.60 × 3,303.61
  4. Step 4: Simplify right side
    7,984.81x = 39,566,015.53
  5. Step 5: Solve for x
    x = 39,566,015.53/7,984.81
  6. Step 6: Final answer
    x = 4,955.16

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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.