Home / 4,480.08-6,720.84-1,883.76

Finding the Fourth Proportional to 4,480.08, 6,720.84 and 1,883.76

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Solution

The fourth proportional to 4,480.08, 6,720.84 and 1,883.76 is: 2,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.08 : 6,720.84 = 1,883.76 : x
  2. Step 2: Convert to fraction form
    4,480.08/6,720.84 = 1,883.76/x
  3. Step 3: Cross multiply
    4,480.08x = 6,720.84 × 1,883.76
  4. Step 4: Simplify right side
    4,480.08x = 12,660,449.56
  5. Step 5: Solve for x
    x = 12,660,449.56/4,480.08
  6. Step 6: Final answer
    x = 2,825.94

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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.