Home / 3,666.36-5,499.63-3,143.10

Finding the Fourth Proportional to 3,666.36, 5,499.63 and 3,143.10

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Solution

The fourth proportional to 3,666.36, 5,499.63 and 3,143.10 is: 4,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.36 : 5,499.63 = 3,143.10 : x
  2. Step 2: Convert to fraction form
    3,666.36/5,499.63 = 3,143.10/x
  3. Step 3: Cross multiply
    3,666.36x = 5,499.63 × 3,143.10
  4. Step 4: Simplify right side
    3,666.36x = 17,285,887.05
  5. Step 5: Solve for x
    x = 17,285,887.05/3,666.36
  6. Step 6: Final answer
    x = 4,714.73

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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.