Home / 6,719.15-10,078.75-2,039.20

Finding the Fourth Proportional to 6,719.15, 10,078.75 and 2,039.20

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Solution

The fourth proportional to 6,719.15, 10,078.75 and 2,039.20 is: 3,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.15 : 10,078.75 = 2,039.20 : x
  2. Step 2: Convert to fraction form
    6,719.15/10,078.75 = 2,039.20/x
  3. Step 3: Cross multiply
    6,719.15x = 10,078.75 × 2,039.20
  4. Step 4: Simplify right side
    6,719.15x = 20,552,556.71
  5. Step 5: Solve for x
    x = 20,552,556.71/6,719.15
  6. Step 6: Final answer
    x = 3,058.80

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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.