Home / 8,739.16-13,112.58-2,896.60

Finding the Fourth Proportional to 8,739.16, 13,112.58 and 2,896.60

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Solution

The fourth proportional to 8,739.16, 13,112.58 and 2,896.60 is: 4,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.16 : 13,112.58 = 2,896.60 : x
  2. Step 2: Convert to fraction form
    8,739.16/13,112.58 = 2,896.60/x
  3. Step 3: Cross multiply
    8,739.16x = 13,112.58 × 2,896.60
  4. Step 4: Simplify right side
    8,739.16x = 37,981,899.23
  5. Step 5: Solve for x
    x = 37,981,899.23/8,739.16
  6. Step 6: Final answer
    x = 4,346.17

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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.