Home / 6,719.44-10,078.62-4,247.05

Finding the Fourth Proportional to 6,719.44, 10,078.62 and 4,247.05

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Solution

The fourth proportional to 6,719.44, 10,078.62 and 4,247.05 is: 6,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.44 : 10,078.62 = 4,247.05 : x
  2. Step 2: Convert to fraction form
    6,719.44/10,078.62 = 4,247.05/x
  3. Step 3: Cross multiply
    6,719.44x = 10,078.62 × 4,247.05
  4. Step 4: Simplify right side
    6,719.44x = 42,804,403.07
  5. Step 5: Solve for x
    x = 42,804,403.07/6,719.44
  6. Step 6: Final answer
    x = 6,370.23

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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.