Home / 6,521.10-9,788.16-3,600.78

Finding the Fourth Proportional to 6,521.10, 9,788.16 and 3,600.78

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Solution

The fourth proportional to 6,521.10, 9,788.16 and 3,600.78 is: 5,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.10 : 9,788.16 = 3,600.78 : x
  2. Step 2: Convert to fraction form
    6,521.10/9,788.16 = 3,600.78/x
  3. Step 3: Cross multiply
    6,521.10x = 9,788.16 × 3,600.78
  4. Step 4: Simplify right side
    6,521.10x = 35,245,010.76
  5. Step 5: Solve for x
    x = 35,245,010.76/6,521.10
  6. Step 6: Final answer
    x = 5,404.76

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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.