Home / 8,151.42-12,222.21-4,448.51

Finding the Fourth Proportional to 8,151.42, 12,222.21 and 4,448.51

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Solution

The fourth proportional to 8,151.42, 12,222.21 and 4,448.51 is: 6,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.42 : 12,222.21 = 4,448.51 : x
  2. Step 2: Convert to fraction form
    8,151.42/12,222.21 = 4,448.51/x
  3. Step 3: Cross multiply
    8,151.42x = 12,222.21 × 4,448.51
  4. Step 4: Simplify right side
    8,151.42x = 54,370,562.30
  5. Step 5: Solve for x
    x = 54,370,562.30/8,151.42
  6. Step 6: Final answer
    x = 6,670.07

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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.