Home / 5,553.80-7,664.45-3,036.08

Finding the Fourth Proportional to 5,553.80, 7,664.45 and 3,036.08

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Solution

The fourth proportional to 5,553.80, 7,664.45 and 3,036.08 is: 4,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.80 : 7,664.45 = 3,036.08 : x
  2. Step 2: Convert to fraction form
    5,553.80/7,664.45 = 3,036.08/x
  3. Step 3: Cross multiply
    5,553.80x = 7,664.45 × 3,036.08
  4. Step 4: Simplify right side
    5,553.80x = 23,269,864.19
  5. Step 5: Solve for x
    x = 23,269,864.19/5,553.80
  6. Step 6: Final answer
    x = 4,189.90

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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.