Home / 7,584.41-11,378.12-2,320.16

Finding the Fourth Proportional to 7,584.41, 11,378.12 and 2,320.16

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Solution

The fourth proportional to 7,584.41, 11,378.12 and 2,320.16 is: 3,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.41 : 11,378.12 = 2,320.16 : x
  2. Step 2: Convert to fraction form
    7,584.41/11,378.12 = 2,320.16/x
  3. Step 3: Cross multiply
    7,584.41x = 11,378.12 × 2,320.16
  4. Step 4: Simplify right side
    7,584.41x = 26,398,990.41
  5. Step 5: Solve for x
    x = 26,398,990.41/7,584.41
  6. Step 6: Final answer
    x = 3,480.69

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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.