Home / 8,144.39-12,231.63-4,877.56

Finding the Fourth Proportional to 8,144.39, 12,231.63 and 4,877.56

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Solution

The fourth proportional to 8,144.39, 12,231.63 and 4,877.56 is: 7,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.39 : 12,231.63 = 4,877.56 : x
  2. Step 2: Convert to fraction form
    8,144.39/12,231.63 = 4,877.56/x
  3. Step 3: Cross multiply
    8,144.39x = 12,231.63 × 4,877.56
  4. Step 4: Simplify right side
    8,144.39x = 59,660,529.63
  5. Step 5: Solve for x
    x = 59,660,529.63/8,144.39
  6. Step 6: Final answer
    x = 7,325.35

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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.