Home / 8,189.08-11,300.93-4,831.90

Finding the Fourth Proportional to 8,189.08, 11,300.93 and 4,831.90

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Solution

The fourth proportional to 8,189.08, 11,300.93 and 4,831.90 is: 6,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.08 : 11,300.93 = 4,831.90 : x
  2. Step 2: Convert to fraction form
    8,189.08/11,300.93 = 4,831.90/x
  3. Step 3: Cross multiply
    8,189.08x = 11,300.93 × 4,831.90
  4. Step 4: Simplify right side
    8,189.08x = 54,604,963.67
  5. Step 5: Solve for x
    x = 54,604,963.67/8,189.08
  6. Step 6: Final answer
    x = 6,668.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.