Home / 4,509.81-6,219.50-2,831.37

Finding the Fourth Proportional to 4,509.81, 6,219.50 and 2,831.37

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Solution

The fourth proportional to 4,509.81, 6,219.50 and 2,831.37 is: 3,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.81 : 6,219.50 = 2,831.37 : x
  2. Step 2: Convert to fraction form
    4,509.81/6,219.50 = 2,831.37/x
  3. Step 3: Cross multiply
    4,509.81x = 6,219.50 × 2,831.37
  4. Step 4: Simplify right side
    4,509.81x = 17,609,712.79
  5. Step 5: Solve for x
    x = 17,609,712.79/4,509.81
  6. Step 6: Final answer
    x = 3,904.76

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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.