Home / 4,947.15-6,835.74-3,893.28

Finding the Fourth Proportional to 4,947.15, 6,835.74 and 3,893.28

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Solution

The fourth proportional to 4,947.15, 6,835.74 and 3,893.28 is: 5,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.15 : 6,835.74 = 3,893.28 : x
  2. Step 2: Convert to fraction form
    4,947.15/6,835.74 = 3,893.28/x
  3. Step 3: Cross multiply
    4,947.15x = 6,835.74 × 3,893.28
  4. Step 4: Simplify right side
    4,947.15x = 26,613,449.83
  5. Step 5: Solve for x
    x = 26,613,449.83/4,947.15
  6. Step 6: Final answer
    x = 5,379.55

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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.