Home / 4,886.73-6,741.43-3,120.12

Finding the Fourth Proportional to 4,886.73, 6,741.43 and 3,120.12

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Solution

The fourth proportional to 4,886.73, 6,741.43 and 3,120.12 is: 4,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.73 : 6,741.43 = 3,120.12 : x
  2. Step 2: Convert to fraction form
    4,886.73/6,741.43 = 3,120.12/x
  3. Step 3: Cross multiply
    4,886.73x = 6,741.43 × 3,120.12
  4. Step 4: Simplify right side
    4,886.73x = 21,034,062.77
  5. Step 5: Solve for x
    x = 21,034,062.77/4,886.73
  6. Step 6: Final answer
    x = 4,304.32

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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.