Home / 6,879.60-10,319.81-1,948.83

Finding the Fourth Proportional to 6,879.60, 10,319.81 and 1,948.83

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Solution

The fourth proportional to 6,879.60, 10,319.81 and 1,948.83 is: 2,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.60 : 10,319.81 = 1,948.83 : x
  2. Step 2: Convert to fraction form
    6,879.60/10,319.81 = 1,948.83/x
  3. Step 3: Cross multiply
    6,879.60x = 10,319.81 × 1,948.83
  4. Step 4: Simplify right side
    6,879.60x = 20,111,545.58
  5. Step 5: Solve for x
    x = 20,111,545.58/6,879.60
  6. Step 6: Final answer
    x = 2,923.36

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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.