Home / 7,386.74-11,081.93-2,192.61

Finding the Fourth Proportional to 7,386.74, 11,081.93 and 2,192.61

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Solution

The fourth proportional to 7,386.74, 11,081.93 and 2,192.61 is: 3,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.74 : 11,081.93 = 2,192.61 : x
  2. Step 2: Convert to fraction form
    7,386.74/11,081.93 = 2,192.61/x
  3. Step 3: Cross multiply
    7,386.74x = 11,081.93 × 2,192.61
  4. Step 4: Simplify right side
    7,386.74x = 24,298,339.57
  5. Step 5: Solve for x
    x = 24,298,339.57/7,386.74
  6. Step 6: Final answer
    x = 3,289.46

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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.