Home / 9,010.76-13,511.68-2,769.28

Finding the Fourth Proportional to 9,010.76, 13,511.68 and 2,769.28

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Solution

The fourth proportional to 9,010.76, 13,511.68 and 2,769.28 is: 4,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.76 : 13,511.68 = 2,769.28 : x
  2. Step 2: Convert to fraction form
    9,010.76/13,511.68 = 2,769.28/x
  3. Step 3: Cross multiply
    9,010.76x = 13,511.68 × 2,769.28
  4. Step 4: Simplify right side
    9,010.76x = 37,417,625.19
  5. Step 5: Solve for x
    x = 37,417,625.19/9,010.76
  6. Step 6: Final answer
    x = 4,152.55

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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.