Home / 4,744.80-6,553.64-3,555.11

Finding the Fourth Proportional to 4,744.80, 6,553.64 and 3,555.11

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Solution

The fourth proportional to 4,744.80, 6,553.64 and 3,555.11 is: 4,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.80 : 6,553.64 = 3,555.11 : x
  2. Step 2: Convert to fraction form
    4,744.80/6,553.64 = 3,555.11/x
  3. Step 3: Cross multiply
    4,744.80x = 6,553.64 × 3,555.11
  4. Step 4: Simplify right side
    4,744.80x = 23,298,879.51
  5. Step 5: Solve for x
    x = 23,298,879.51/4,744.80
  6. Step 6: Final answer
    x = 4,910.40

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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.