Home / 4,508.75-6,222.81-2,831.58

Finding the Fourth Proportional to 4,508.75, 6,222.81 and 2,831.58

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Solution

The fourth proportional to 4,508.75, 6,222.81 and 2,831.58 is: 3,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.75 : 6,222.81 = 2,831.58 : x
  2. Step 2: Convert to fraction form
    4,508.75/6,222.81 = 2,831.58/x
  3. Step 3: Cross multiply
    4,508.75x = 6,222.81 × 2,831.58
  4. Step 4: Simplify right side
    4,508.75x = 17,620,384.34
  5. Step 5: Solve for x
    x = 17,620,384.34/4,508.75
  6. Step 6: Final answer
    x = 3,908.05

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1.5x scale

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.