Home / 5,287.26-7,931.04-1,589.58

Finding the Fourth Proportional to 5,287.26, 7,931.04 and 1,589.58

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Solution

The fourth proportional to 5,287.26, 7,931.04 and 1,589.58 is: 2,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.26 : 7,931.04 = 1,589.58 : x
  2. Step 2: Convert to fraction form
    5,287.26/7,931.04 = 1,589.58/x
  3. Step 3: Cross multiply
    5,287.26x = 7,931.04 × 1,589.58
  4. Step 4: Simplify right side
    5,287.26x = 12,607,022.56
  5. Step 5: Solve for x
    x = 12,607,022.56/5,287.26
  6. Step 6: Final answer
    x = 2,384.42

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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.