Home / 7,140.96-10,707.66-2,754

Finding the Fourth Proportional to 7,140.96, 10,707.66 and 2,754

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Solution

The fourth proportional to 7,140.96, 10,707.66 and 2,754 is: 4,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.96 : 10,707.66 = 2,754 : x
  2. Step 2: Convert to fraction form
    7,140.96/10,707.66 = 2,754/x
  3. Step 3: Cross multiply
    7,140.96x = 10,707.66 × 2,754
  4. Step 4: Simplify right side
    7,140.96x = 29,488,895.64
  5. Step 5: Solve for x
    x = 29,488,895.64/7,140.96
  6. Step 6: Final answer
    x = 4,129.54

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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.