Home / 7,719.39-11,577.86-2,453.70

Finding the Fourth Proportional to 7,719.39, 11,577.86 and 2,453.70

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Solution

The fourth proportional to 7,719.39, 11,577.86 and 2,453.70 is: 3,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.39 : 11,577.86 = 2,453.70 : x
  2. Step 2: Convert to fraction form
    7,719.39/11,577.86 = 2,453.70/x
  3. Step 3: Cross multiply
    7,719.39x = 11,577.86 × 2,453.70
  4. Step 4: Simplify right side
    7,719.39x = 28,408,582.81
  5. Step 5: Solve for x
    x = 28,408,582.81/7,719.39
  6. Step 6: Final answer
    x = 3,680.16

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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.