Home / 7,039.78-10,559.05-2,110.52

Finding the Fourth Proportional to 7,039.78, 10,559.05 and 2,110.52

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Solution

The fourth proportional to 7,039.78, 10,559.05 and 2,110.52 is: 3,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.78 : 10,559.05 = 2,110.52 : x
  2. Step 2: Convert to fraction form
    7,039.78/10,559.05 = 2,110.52/x
  3. Step 3: Cross multiply
    7,039.78x = 10,559.05 × 2,110.52
  4. Step 4: Simplify right side
    7,039.78x = 22,285,086.21
  5. Step 5: Solve for x
    x = 22,285,086.21/7,039.78
  6. Step 6: Final answer
    x = 3,165.59

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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.