Home / 6,879.55-10,319.76-1,949.58

Finding the Fourth Proportional to 6,879.55, 10,319.76 and 1,949.58

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Solution

The fourth proportional to 6,879.55, 10,319.76 and 1,949.58 is: 2,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.55 : 10,319.76 = 1,949.58 : x
  2. Step 2: Convert to fraction form
    6,879.55/10,319.76 = 1,949.58/x
  3. Step 3: Cross multiply
    6,879.55x = 10,319.76 × 1,949.58
  4. Step 4: Simplify right side
    6,879.55x = 20,119,146.10
  5. Step 5: Solve for x
    x = 20,119,146.10/6,879.55
  6. Step 6: Final answer
    x = 2,924.49

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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.