Home / 5,678.00-7,836.75-3,320.60

Finding the Fourth Proportional to 5,678.00, 7,836.75 and 3,320.60

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Solution

The fourth proportional to 5,678.00, 7,836.75 and 3,320.60 is: 4,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.00 : 7,836.75 = 3,320.60 : x
  2. Step 2: Convert to fraction form
    5,678.00/7,836.75 = 3,320.60/x
  3. Step 3: Cross multiply
    5,678.00x = 7,836.75 × 3,320.60
  4. Step 4: Simplify right side
    5,678.00x = 26,022,672.87
  5. Step 5: Solve for x
    x = 26,022,672.87/5,678.00
  6. Step 6: Final answer
    x = 4,583.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.