Home / 6,879.05-10,317.26-1,947.50

Finding the Fourth Proportional to 6,879.05, 10,317.26 and 1,947.50

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Solution

The fourth proportional to 6,879.05, 10,317.26 and 1,947.50 is: 2,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.05 : 10,317.26 = 1,947.50 : x
  2. Step 2: Convert to fraction form
    6,879.05/10,317.26 = 1,947.50/x
  3. Step 3: Cross multiply
    6,879.05x = 10,317.26 × 1,947.50
  4. Step 4: Simplify right side
    6,879.05x = 20,092,802.53
  5. Step 5: Solve for x
    x = 20,092,802.53/6,879.05
  6. Step 6: Final answer
    x = 2,920.87

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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.