Home / 6,212.16-8,573.40-3,854.64

Finding the Fourth Proportional to 6,212.16, 8,573.40 and 3,854.64

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Solution

The fourth proportional to 6,212.16, 8,573.40 and 3,854.64 is: 5,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.16 : 8,573.40 = 3,854.64 : x
  2. Step 2: Convert to fraction form
    6,212.16/8,573.40 = 3,854.64/x
  3. Step 3: Cross multiply
    6,212.16x = 8,573.40 × 3,854.64
  4. Step 4: Simplify right side
    6,212.16x = 33,047,370.58
  5. Step 5: Solve for x
    x = 33,047,370.58/6,212.16
  6. Step 6: Final answer
    x = 5,319.79

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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.