Home / 8,820.62-13,236.23-3,556.77

Finding the Fourth Proportional to 8,820.62, 13,236.23 and 3,556.77

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Solution

The fourth proportional to 8,820.62, 13,236.23 and 3,556.77 is: 5,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.62 : 13,236.23 = 3,556.77 : x
  2. Step 2: Convert to fraction form
    8,820.62/13,236.23 = 3,556.77/x
  3. Step 3: Cross multiply
    8,820.62x = 13,236.23 × 3,556.77
  4. Step 4: Simplify right side
    8,820.62x = 47,078,225.78
  5. Step 5: Solve for x
    x = 47,078,225.78/8,820.62
  6. Step 6: Final answer
    x = 5,337.29

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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.