Home / 8,190.09-11,304.06-4,831.65

Finding the Fourth Proportional to 8,190.09, 11,304.06 and 4,831.65

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Solution

The fourth proportional to 8,190.09, 11,304.06 and 4,831.65 is: 6,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.09 : 11,304.06 = 4,831.65 : x
  2. Step 2: Convert to fraction form
    8,190.09/11,304.06 = 4,831.65/x
  3. Step 3: Cross multiply
    8,190.09x = 11,304.06 × 4,831.65
  4. Step 4: Simplify right side
    8,190.09x = 54,617,261.50
  5. Step 5: Solve for x
    x = 54,617,261.50/8,190.09
  6. Step 6: Final answer
    x = 6,668.70

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1.5x scale

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.