Home / 6,719.73-9,274.35-3,886.62

Finding the Fourth Proportional to 6,719.73, 9,274.35 and 3,886.62

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Solution

The fourth proportional to 6,719.73, 9,274.35 and 3,886.62 is: 5,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.73 : 9,274.35 = 3,886.62 : x
  2. Step 2: Convert to fraction form
    6,719.73/9,274.35 = 3,886.62/x
  3. Step 3: Cross multiply
    6,719.73x = 9,274.35 × 3,886.62
  4. Step 4: Simplify right side
    6,719.73x = 36,045,874.20
  5. Step 5: Solve for x
    x = 36,045,874.20/6,719.73
  6. Step 6: Final answer
    x = 5,364.18

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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.