Home / 10,340.52-15,511.27-2,945.49

Finding the Fourth Proportional to 10,340.52, 15,511.27 and 2,945.49

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Solution

The fourth proportional to 10,340.52, 15,511.27 and 2,945.49 is: 4,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.52 : 15,511.27 = 2,945.49 : x
  2. Step 2: Convert to fraction form
    10,340.52/15,511.27 = 2,945.49/x
  3. Step 3: Cross multiply
    10,340.52x = 15,511.27 × 2,945.49
  4. Step 4: Simplify right side
    10,340.52x = 45,688,290.67
  5. Step 5: Solve for x
    x = 45,688,290.67/10,340.52
  6. Step 6: Final answer
    x = 4,418.37

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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.