Home / 9,831.08-14,743.40-4,282.79

Finding the Fourth Proportional to 9,831.08, 14,743.40 and 4,282.79

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Solution

The fourth proportional to 9,831.08, 14,743.40 and 4,282.79 is: 6,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.08 : 14,743.40 = 4,282.79 : x
  2. Step 2: Convert to fraction form
    9,831.08/14,743.40 = 4,282.79/x
  3. Step 3: Cross multiply
    9,831.08x = 14,743.40 × 4,282.79
  4. Step 4: Simplify right side
    9,831.08x = 63,142,790.96
  5. Step 5: Solve for x
    x = 63,142,790.96/9,831.08
  6. Step 6: Final answer
    x = 6,422.78

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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.