Home / 5,831.25-8,747.61-2,135.22

Finding the Fourth Proportional to 5,831.25, 8,747.61 and 2,135.22

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Solution

The fourth proportional to 5,831.25, 8,747.61 and 2,135.22 is: 3,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.25 : 8,747.61 = 2,135.22 : x
  2. Step 2: Convert to fraction form
    5,831.25/8,747.61 = 2,135.22/x
  3. Step 3: Cross multiply
    5,831.25x = 8,747.61 × 2,135.22
  4. Step 4: Simplify right side
    5,831.25x = 18,678,071.82
  5. Step 5: Solve for x
    x = 18,678,071.82/5,831.25
  6. Step 6: Final answer
    x = 3,203.10

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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.