Home / 7,147.58-10,719.76-2,467.40

Finding the Fourth Proportional to 7,147.58, 10,719.76 and 2,467.40

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Solution

The fourth proportional to 7,147.58, 10,719.76 and 2,467.40 is: 3,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.58 : 10,719.76 = 2,467.40 : x
  2. Step 2: Convert to fraction form
    7,147.58/10,719.76 = 2,467.40/x
  3. Step 3: Cross multiply
    7,147.58x = 10,719.76 × 2,467.40
  4. Step 4: Simplify right side
    7,147.58x = 26,449,935.82
  5. Step 5: Solve for x
    x = 26,449,935.82/7,147.58
  6. Step 6: Final answer
    x = 3,700.54

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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.