Home / 7,765.14-10,715.97-4,452.50

Finding the Fourth Proportional to 7,765.14, 10,715.97 and 4,452.50

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Solution

The fourth proportional to 7,765.14, 10,715.97 and 4,452.50 is: 6,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.14 : 10,715.97 = 4,452.50 : x
  2. Step 2: Convert to fraction form
    7,765.14/10,715.97 = 4,452.50/x
  3. Step 3: Cross multiply
    7,765.14x = 10,715.97 × 4,452.50
  4. Step 4: Simplify right side
    7,765.14x = 47,712,856.43
  5. Step 5: Solve for x
    x = 47,712,856.43/7,765.14
  6. Step 6: Final answer
    x = 6,144.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.