Home / 4,768.56-6,579.99-2,779.47

Finding the Fourth Proportional to 4,768.56, 6,579.99 and 2,779.47

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Solution

The fourth proportional to 4,768.56, 6,579.99 and 2,779.47 is: 3,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.56 : 6,579.99 = 2,779.47 : x
  2. Step 2: Convert to fraction form
    4,768.56/6,579.99 = 2,779.47/x
  3. Step 3: Cross multiply
    4,768.56x = 6,579.99 × 2,779.47
  4. Step 4: Simplify right side
    4,768.56x = 18,288,884.81
  5. Step 5: Solve for x
    x = 18,288,884.81/4,768.56
  6. Step 6: Final answer
    x = 3,835.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.