Home / 4,679.45-7,028.49-2,927.56

Finding the Fourth Proportional to 4,679.45, 7,028.49 and 2,927.56

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Solution

The fourth proportional to 4,679.45, 7,028.49 and 2,927.56 is: 4,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.45 : 7,028.49 = 2,927.56 : x
  2. Step 2: Convert to fraction form
    4,679.45/7,028.49 = 2,927.56/x
  3. Step 3: Cross multiply
    4,679.45x = 7,028.49 × 2,927.56
  4. Step 4: Simplify right side
    4,679.45x = 20,576,319.59
  5. Step 5: Solve for x
    x = 20,576,319.59/4,679.45
  6. Step 6: Final answer
    x = 4,397.16

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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.