Home / 4,857.31-7,293.26-2,779.66

Finding the Fourth Proportional to 4,857.31, 7,293.26 and 2,779.66

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Solution

The fourth proportional to 4,857.31, 7,293.26 and 2,779.66 is: 4,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.31 : 7,293.26 = 2,779.66 : x
  2. Step 2: Convert to fraction form
    4,857.31/7,293.26 = 2,779.66/x
  3. Step 3: Cross multiply
    4,857.31x = 7,293.26 × 2,779.66
  4. Step 4: Simplify right side
    4,857.31x = 20,272,783.09
  5. Step 5: Solve for x
    x = 20,272,783.09/4,857.31
  6. Step 6: Final answer
    x = 4,173.66

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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.