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Finding the Fourth Proportional to 4,165.60, 6,249.10 and 1,244.20

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Solution

The fourth proportional to 4,165.60, 6,249.10 and 1,244.20 is: 1,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.60 : 6,249.10 = 1,244.20 : x
  2. Step 2: Convert to fraction form
    4,165.60/6,249.10 = 1,244.20/x
  3. Step 3: Cross multiply
    4,165.60x = 6,249.10 × 1,244.20
  4. Step 4: Simplify right side
    4,165.60x = 7,775,130.22
  5. Step 5: Solve for x
    x = 7,775,130.22/4,165.60
  6. Step 6: Final answer
    x = 1,866.51

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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.