Home / 5,287.25-7,930.58-1,589.41

Finding the Fourth Proportional to 5,287.25, 7,930.58 and 1,589.41

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Solution

The fourth proportional to 5,287.25, 7,930.58 and 1,589.41 is: 2,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.25 : 7,930.58 = 1,589.41 : x
  2. Step 2: Convert to fraction form
    5,287.25/7,930.58 = 1,589.41/x
  3. Step 3: Cross multiply
    5,287.25x = 7,930.58 × 1,589.41
  4. Step 4: Simplify right side
    5,287.25x = 12,604,895.56
  5. Step 5: Solve for x
    x = 12,604,895.56/5,287.25
  6. Step 6: Final answer
    x = 2,384.02

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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.