Home / 8,255.34-12,381.12-4,924.54

Finding the Fourth Proportional to 8,255.34, 12,381.12 and 4,924.54

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Solution

The fourth proportional to 8,255.34, 12,381.12 and 4,924.54 is: 7,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.34 : 12,381.12 = 4,924.54 : x
  2. Step 2: Convert to fraction form
    8,255.34/12,381.12 = 4,924.54/x
  3. Step 3: Cross multiply
    8,255.34x = 12,381.12 × 4,924.54
  4. Step 4: Simplify right side
    8,255.34x = 60,971,320.68
  5. Step 5: Solve for x
    x = 60,971,320.68/8,255.34
  6. Step 6: Final answer
    x = 7,385.68

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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.