Home / 6,345.26-9,518.81-1,963.05

Finding the Fourth Proportional to 6,345.26, 9,518.81 and 1,963.05

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Solution

The fourth proportional to 6,345.26, 9,518.81 and 1,963.05 is: 2,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.26 : 9,518.81 = 1,963.05 : x
  2. Step 2: Convert to fraction form
    6,345.26/9,518.81 = 1,963.05/x
  3. Step 3: Cross multiply
    6,345.26x = 9,518.81 × 1,963.05
  4. Step 4: Simplify right side
    6,345.26x = 18,685,940.30
  5. Step 5: Solve for x
    x = 18,685,940.30/6,345.26
  6. Step 6: Final answer
    x = 2,944.87

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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.