Home / 7,145.67-10,715.87-2,464.47

Finding the Fourth Proportional to 7,145.67, 10,715.87 and 2,464.47

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Solution

The fourth proportional to 7,145.67, 10,715.87 and 2,464.47 is: 3,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.67 : 10,715.87 = 2,464.47 : x
  2. Step 2: Convert to fraction form
    7,145.67/10,715.87 = 2,464.47/x
  3. Step 3: Cross multiply
    7,145.67x = 10,715.87 × 2,464.47
  4. Step 4: Simplify right side
    7,145.67x = 26,408,954.61
  5. Step 5: Solve for x
    x = 26,408,954.61/7,145.67
  6. Step 6: Final answer
    x = 3,695.80

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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.