Home / 5,585.32-8,379.19-1,887.47

Finding the Fourth Proportional to 5,585.32, 8,379.19 and 1,887.47

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Solution

The fourth proportional to 5,585.32, 8,379.19 and 1,887.47 is: 2,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.32 : 8,379.19 = 1,887.47 : x
  2. Step 2: Convert to fraction form
    5,585.32/8,379.19 = 1,887.47/x
  3. Step 3: Cross multiply
    5,585.32x = 8,379.19 × 1,887.47
  4. Step 4: Simplify right side
    5,585.32x = 15,815,467.39
  5. Step 5: Solve for x
    x = 15,815,467.39/5,585.32
  6. Step 6: Final answer
    x = 2,831.61

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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.