Home / 7,688.26-11,533.50-3,739.75

Finding the Fourth Proportional to 7,688.26, 11,533.50 and 3,739.75

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Solution

The fourth proportional to 7,688.26, 11,533.50 and 3,739.75 is: 5,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.26 : 11,533.50 = 3,739.75 : x
  2. Step 2: Convert to fraction form
    7,688.26/11,533.50 = 3,739.75/x
  3. Step 3: Cross multiply
    7,688.26x = 11,533.50 × 3,739.75
  4. Step 4: Simplify right side
    7,688.26x = 43,132,406.63
  5. Step 5: Solve for x
    x = 43,132,406.63/7,688.26
  6. Step 6: Final answer
    x = 5,610.16

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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.