Home / 4,831.20-7,246.09-1,543.86

Finding the Fourth Proportional to 4,831.20, 7,246.09 and 1,543.86

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Solution

The fourth proportional to 4,831.20, 7,246.09 and 1,543.86 is: 2,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.20 : 7,246.09 = 1,543.86 : x
  2. Step 2: Convert to fraction form
    4,831.20/7,246.09 = 1,543.86/x
  3. Step 3: Cross multiply
    4,831.20x = 7,246.09 × 1,543.86
  4. Step 4: Simplify right side
    4,831.20x = 11,186,948.51
  5. Step 5: Solve for x
    x = 11,186,948.51/4,831.20
  6. Step 6: Final answer
    x = 2,315.56

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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.