Home / 4,800.80-6,625.20-2,705.12

Finding the Fourth Proportional to 4,800.80, 6,625.20 and 2,705.12

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Solution

The fourth proportional to 4,800.80, 6,625.20 and 2,705.12 is: 3,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.80 : 6,625.20 = 2,705.12 : x
  2. Step 2: Convert to fraction form
    4,800.80/6,625.20 = 2,705.12/x
  3. Step 3: Cross multiply
    4,800.80x = 6,625.20 × 2,705.12
  4. Step 4: Simplify right side
    4,800.80x = 17,921,961.02
  5. Step 5: Solve for x
    x = 17,921,961.02/4,800.80
  6. Step 6: Final answer
    x = 3,733.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.