Home / 4,416.16-6,619.92-1,820.56

Finding the Fourth Proportional to 4,416.16, 6,619.92 and 1,820.56

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Solution

The fourth proportional to 4,416.16, 6,619.92 and 1,820.56 is: 2,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.16 : 6,619.92 = 1,820.56 : x
  2. Step 2: Convert to fraction form
    4,416.16/6,619.92 = 1,820.56/x
  3. Step 3: Cross multiply
    4,416.16x = 6,619.92 × 1,820.56
  4. Step 4: Simplify right side
    4,416.16x = 12,051,961.56
  5. Step 5: Solve for x
    x = 12,051,961.56/4,416.16
  6. Step 6: Final answer
    x = 2,729.06

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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.