Home / 6,214.16-9,321.53-1,831.65

Finding the Fourth Proportional to 6,214.16, 9,321.53 and 1,831.65

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Solution

The fourth proportional to 6,214.16, 9,321.53 and 1,831.65 is: 2,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.16 : 9,321.53 = 1,831.65 : x
  2. Step 2: Convert to fraction form
    6,214.16/9,321.53 = 1,831.65/x
  3. Step 3: Cross multiply
    6,214.16x = 9,321.53 × 1,831.65
  4. Step 4: Simplify right side
    6,214.16x = 17,073,771.27
  5. Step 5: Solve for x
    x = 17,073,771.27/6,214.16
  6. Step 6: Final answer
    x = 2,747.56

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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.