Home / 6,719.54-10,078.23-2,102.54

Finding the Fourth Proportional to 6,719.54, 10,078.23 and 2,102.54

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Solution

The fourth proportional to 6,719.54, 10,078.23 and 2,102.54 is: 3,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.54 : 10,078.23 = 2,102.54 : x
  2. Step 2: Convert to fraction form
    6,719.54/10,078.23 = 2,102.54/x
  3. Step 3: Cross multiply
    6,719.54x = 10,078.23 × 2,102.54
  4. Step 4: Simplify right side
    6,719.54x = 21,189,881.70
  5. Step 5: Solve for x
    x = 21,189,881.70/6,719.54
  6. Step 6: Final answer
    x = 3,153.47

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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.