Home / 7,111.76-10,663.08-2,954.64

Finding the Fourth Proportional to 7,111.76, 10,663.08 and 2,954.64

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Solution

The fourth proportional to 7,111.76, 10,663.08 and 2,954.64 is: 4,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.76 : 10,663.08 = 2,954.64 : x
  2. Step 2: Convert to fraction form
    7,111.76/10,663.08 = 2,954.64/x
  3. Step 3: Cross multiply
    7,111.76x = 10,663.08 × 2,954.64
  4. Step 4: Simplify right side
    7,111.76x = 31,505,562.69
  5. Step 5: Solve for x
    x = 31,505,562.69/7,111.76
  6. Step 6: Final answer
    x = 4,430.07

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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.