Home / 4,552.68-6,831.45-4,222.20

Finding the Fourth Proportional to 4,552.68, 6,831.45 and 4,222.20

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Solution

The fourth proportional to 4,552.68, 6,831.45 and 4,222.20 is: 6,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,552.68 : 6,831.45 = 4,222.20 : x
  2. Step 2: Convert to fraction form
    4,552.68/6,831.45 = 4,222.20/x
  3. Step 3: Cross multiply
    4,552.68x = 6,831.45 × 4,222.20
  4. Step 4: Simplify right side
    4,552.68x = 28,843,748.19
  5. Step 5: Solve for x
    x = 28,843,748.19/4,552.68
  6. Step 6: Final answer
    x = 6,335.55

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1.5x scale

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.