Home / 7,070.08-10,600.32-3,320.56

Finding the Fourth Proportional to 7,070.08, 10,600.32 and 3,320.56

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Solution

The fourth proportional to 7,070.08, 10,600.32 and 3,320.56 is: 4,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.08 : 10,600.32 = 3,320.56 : x
  2. Step 2: Convert to fraction form
    7,070.08/10,600.32 = 3,320.56/x
  3. Step 3: Cross multiply
    7,070.08x = 10,600.32 × 3,320.56
  4. Step 4: Simplify right side
    7,070.08x = 35,198,998.58
  5. Step 5: Solve for x
    x = 35,198,998.58/7,070.08
  6. Step 6: Final answer
    x = 4,978.59

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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.