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Finding the Fourth Proportional to 6,719.70, 10,074.18 and 2,558.88

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Solution

The fourth proportional to 6,719.70, 10,074.18 and 2,558.88 is: 3,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.70 : 10,074.18 = 2,558.88 : x
  2. Step 2: Convert to fraction form
    6,719.70/10,074.18 = 2,558.88/x
  3. Step 3: Cross multiply
    6,719.70x = 10,074.18 × 2,558.88
  4. Step 4: Simplify right side
    6,719.70x = 25,778,617.72
  5. Step 5: Solve for x
    x = 25,778,617.72/6,719.70
  6. Step 6: Final answer
    x = 3,836.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.