Home / 5,287.50-7,930.62-1,589.73

Finding the Fourth Proportional to 5,287.50, 7,930.62 and 1,589.73

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Solution

The fourth proportional to 5,287.50, 7,930.62 and 1,589.73 is: 2,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.50 : 7,930.62 = 1,589.73 : x
  2. Step 2: Convert to fraction form
    5,287.50/7,930.62 = 1,589.73/x
  3. Step 3: Cross multiply
    5,287.50x = 7,930.62 × 1,589.73
  4. Step 4: Simplify right side
    5,287.50x = 12,607,544.53
  5. Step 5: Solve for x
    x = 12,607,544.53/5,287.50
  6. Step 6: Final answer
    x = 2,384.41

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1.5x scale

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.