Home / 6,744.99-10,122.72-4,679.49

Finding the Fourth Proportional to 6,744.99, 10,122.72 and 4,679.49

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Solution

The fourth proportional to 6,744.99, 10,122.72 and 4,679.49 is: 7,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.99 : 10,122.72 = 4,679.49 : x
  2. Step 2: Convert to fraction form
    6,744.99/10,122.72 = 4,679.49/x
  3. Step 3: Cross multiply
    6,744.99x = 10,122.72 × 4,679.49
  4. Step 4: Simplify right side
    6,744.99x = 47,369,167.01
  5. Step 5: Solve for x
    x = 47,369,167.01/6,744.99
  6. Step 6: Final answer
    x = 7,022.87

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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.