Home / 5,287.12-7,934.26-2,823.70

Finding the Fourth Proportional to 5,287.12, 7,934.26 and 2,823.70

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Solution

The fourth proportional to 5,287.12, 7,934.26 and 2,823.70 is: 4,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.12 : 7,934.26 = 2,823.70 : x
  2. Step 2: Convert to fraction form
    5,287.12/7,934.26 = 2,823.70/x
  3. Step 3: Cross multiply
    5,287.12x = 7,934.26 × 2,823.70
  4. Step 4: Simplify right side
    5,287.12x = 22,403,993.33
  5. Step 5: Solve for x
    x = 22,403,993.33/5,287.12
  6. Step 6: Final answer
    x = 4,237.47

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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.