Home / 3,809.04-5,218.26-3,666.90

Finding the Fourth Proportional to 3,809.04, 5,218.26 and 3,666.90

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Solution

The fourth proportional to 3,809.04, 5,218.26 and 3,666.90 is: 5,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.04 : 5,218.26 = 3,666.90 : x
  2. Step 2: Convert to fraction form
    3,809.04/5,218.26 = 3,666.90/x
  3. Step 3: Cross multiply
    3,809.04x = 5,218.26 × 3,666.90
  4. Step 4: Simplify right side
    3,809.04x = 19,134,837.59
  5. Step 5: Solve for x
    x = 19,134,837.59/3,809.04
  6. Step 6: Final answer
    x = 5,023.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.