Home / 6,214.86-9,319.05-1,831.74

Finding the Fourth Proportional to 6,214.86, 9,319.05 and 1,831.74

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Solution

The fourth proportional to 6,214.86, 9,319.05 and 1,831.74 is: 2,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.86 : 9,319.05 = 1,831.74 : x
  2. Step 2: Convert to fraction form
    6,214.86/9,319.05 = 1,831.74/x
  3. Step 3: Cross multiply
    6,214.86x = 9,319.05 × 1,831.74
  4. Step 4: Simplify right side
    6,214.86x = 17,070,076.65
  5. Step 5: Solve for x
    x = 17,070,076.65/6,214.86
  6. Step 6: Final answer
    x = 2,746.66

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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.