Home / 5,146.26-7,714.82-1,858.64

Finding the Fourth Proportional to 5,146.26, 7,714.82 and 1,858.64

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Solution

The fourth proportional to 5,146.26, 7,714.82 and 1,858.64 is: 2,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.26 : 7,714.82 = 1,858.64 : x
  2. Step 2: Convert to fraction form
    5,146.26/7,714.82 = 1,858.64/x
  3. Step 3: Cross multiply
    5,146.26x = 7,714.82 × 1,858.64
  4. Step 4: Simplify right side
    5,146.26x = 14,339,025.18
  5. Step 5: Solve for x
    x = 14,339,025.18/5,146.26
  6. Step 6: Final answer
    x = 2,786.30

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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.