Home / 7,262.21-10,880.55-5,179.10

Finding the Fourth Proportional to 7,262.21, 10,880.55 and 5,179.10

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Solution

The fourth proportional to 7,262.21, 10,880.55 and 5,179.10 is: 7,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.21 : 10,880.55 = 5,179.10 : x
  2. Step 2: Convert to fraction form
    7,262.21/10,880.55 = 5,179.10/x
  3. Step 3: Cross multiply
    7,262.21x = 10,880.55 × 5,179.10
  4. Step 4: Simplify right side
    7,262.21x = 56,351,402.10
  5. Step 5: Solve for x
    x = 56,351,402.10/7,262.21
  6. Step 6: Final answer
    x = 7,759.54

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1.5x scale

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.