Home / 8,103.03-12,153.93-2,556.55

Finding the Fourth Proportional to 8,103.03, 12,153.93 and 2,556.55

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Solution

The fourth proportional to 8,103.03, 12,153.93 and 2,556.55 is: 3,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.03 : 12,153.93 = 2,556.55 : x
  2. Step 2: Convert to fraction form
    8,103.03/12,153.93 = 2,556.55/x
  3. Step 3: Cross multiply
    8,103.03x = 12,153.93 × 2,556.55
  4. Step 4: Simplify right side
    8,103.03x = 31,072,129.74
  5. Step 5: Solve for x
    x = 31,072,129.74/8,103.03
  6. Step 6: Final answer
    x = 3,834.63

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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.