Home / 7,584.86-11,378.45-2,318.64

Finding the Fourth Proportional to 7,584.86, 11,378.45 and 2,318.64

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Solution

The fourth proportional to 7,584.86, 11,378.45 and 2,318.64 is: 3,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.86 : 11,378.45 = 2,318.64 : x
  2. Step 2: Convert to fraction form
    7,584.86/11,378.45 = 2,318.64/x
  3. Step 3: Cross multiply
    7,584.86x = 11,378.45 × 2,318.64
  4. Step 4: Simplify right side
    7,584.86x = 26,382,517.71
  5. Step 5: Solve for x
    x = 26,382,517.71/7,584.86
  6. Step 6: Final answer
    x = 3,478.32

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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.