Home / 7,129.57-10,697.08-2,968.46

Finding the Fourth Proportional to 7,129.57, 10,697.08 and 2,968.46

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Solution

The fourth proportional to 7,129.57, 10,697.08 and 2,968.46 is: 4,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.57 : 10,697.08 = 2,968.46 : x
  2. Step 2: Convert to fraction form
    7,129.57/10,697.08 = 2,968.46/x
  3. Step 3: Cross multiply
    7,129.57x = 10,697.08 × 2,968.46
  4. Step 4: Simplify right side
    7,129.57x = 31,753,834.78
  5. Step 5: Solve for x
    x = 31,753,834.78/7,129.57
  6. Step 6: Final answer
    x = 4,453.82

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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.