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Finding the Fourth Proportional to 6,895.99, 10,343.99 and 4,820.05

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Solution

The fourth proportional to 6,895.99, 10,343.99 and 4,820.05 is: 7,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.99 : 10,343.99 = 4,820.05 : x
  2. Step 2: Convert to fraction form
    6,895.99/10,343.99 = 4,820.05/x
  3. Step 3: Cross multiply
    6,895.99x = 10,343.99 × 4,820.05
  4. Step 4: Simplify right side
    6,895.99x = 49,858,488.68
  5. Step 5: Solve for x
    x = 49,858,488.68/6,895.99
  6. Step 6: Final answer
    x = 7,230.07

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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.