Home / 4,381.83-6,556.28-2,620.35

Finding the Fourth Proportional to 4,381.83, 6,556.28 and 2,620.35

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Solution

The fourth proportional to 4,381.83, 6,556.28 and 2,620.35 is: 3,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.83 : 6,556.28 = 2,620.35 : x
  2. Step 2: Convert to fraction form
    4,381.83/6,556.28 = 2,620.35/x
  3. Step 3: Cross multiply
    4,381.83x = 6,556.28 × 2,620.35
  4. Step 4: Simplify right side
    4,381.83x = 17,179,735.20
  5. Step 5: Solve for x
    x = 17,179,735.20/4,381.83
  6. Step 6: Final answer
    x = 3,920.68

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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.