Home / 6,945.66-10,414.83-5,210.64

Finding the Fourth Proportional to 6,945.66, 10,414.83 and 5,210.64

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Solution

The fourth proportional to 6,945.66, 10,414.83 and 5,210.64 is: 7,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.66 : 10,414.83 = 5,210.64 : x
  2. Step 2: Convert to fraction form
    6,945.66/10,414.83 = 5,210.64/x
  3. Step 3: Cross multiply
    6,945.66x = 10,414.83 × 5,210.64
  4. Step 4: Simplify right side
    6,945.66x = 54,267,929.79
  5. Step 5: Solve for x
    x = 54,267,929.79/6,945.66
  6. Step 6: Final answer
    x = 7,813.21

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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.