Home / 6,879.08-10,319.16-1,948.80

Finding the Fourth Proportional to 6,879.08, 10,319.16 and 1,948.80

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Solution

The fourth proportional to 6,879.08, 10,319.16 and 1,948.80 is: 2,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.08 : 10,319.16 = 1,948.80 : x
  2. Step 2: Convert to fraction form
    6,879.08/10,319.16 = 1,948.80/x
  3. Step 3: Cross multiply
    6,879.08x = 10,319.16 × 1,948.80
  4. Step 4: Simplify right side
    6,879.08x = 20,109,979.01
  5. Step 5: Solve for x
    x = 20,109,979.01/6,879.08
  6. Step 6: Final answer
    x = 2,923.35

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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.