Home / 7,746.11-11,619.93-2,479.80

Finding the Fourth Proportional to 7,746.11, 11,619.93 and 2,479.80

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Solution

The fourth proportional to 7,746.11, 11,619.93 and 2,479.80 is: 3,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.11 : 11,619.93 = 2,479.80 : x
  2. Step 2: Convert to fraction form
    7,746.11/11,619.93 = 2,479.80/x
  3. Step 3: Cross multiply
    7,746.11x = 11,619.93 × 2,479.80
  4. Step 4: Simplify right side
    7,746.11x = 28,815,102.41
  5. Step 5: Solve for x
    x = 28,815,102.41/7,746.11
  6. Step 6: Final answer
    x = 3,719.94

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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.