Home / 5,326.59-7,990.58-2,858.03

Finding the Fourth Proportional to 5,326.59, 7,990.58 and 2,858.03

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Solution

The fourth proportional to 5,326.59, 7,990.58 and 2,858.03 is: 4,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.59 : 7,990.58 = 2,858.03 : x
  2. Step 2: Convert to fraction form
    5,326.59/7,990.58 = 2,858.03/x
  3. Step 3: Cross multiply
    5,326.59x = 7,990.58 × 2,858.03
  4. Step 4: Simplify right side
    5,326.59x = 22,837,317.36
  5. Step 5: Solve for x
    x = 22,837,317.36/5,326.59
  6. Step 6: Final answer
    x = 4,287.42

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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.