Home / 5,579.94-7,687.08-3,898.38

Finding the Fourth Proportional to 5,579.94, 7,687.08 and 3,898.38

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Solution

The fourth proportional to 5,579.94, 7,687.08 and 3,898.38 is: 5,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.94 : 7,687.08 = 3,898.38 : x
  2. Step 2: Convert to fraction form
    5,579.94/7,687.08 = 3,898.38/x
  3. Step 3: Cross multiply
    5,579.94x = 7,687.08 × 3,898.38
  4. Step 4: Simplify right side
    5,579.94x = 29,967,158.93
  5. Step 5: Solve for x
    x = 29,967,158.93/5,579.94
  6. Step 6: Final answer
    x = 5,370.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.