Home / 5,738.30-7,916.91-3,643.64

Finding the Fourth Proportional to 5,738.30, 7,916.91 and 3,643.64

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Solution

The fourth proportional to 5,738.30, 7,916.91 and 3,643.64 is: 5,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.30 : 7,916.91 = 3,643.64 : x
  2. Step 2: Convert to fraction form
    5,738.30/7,916.91 = 3,643.64/x
  3. Step 3: Cross multiply
    5,738.30x = 7,916.91 × 3,643.64
  4. Step 4: Simplify right side
    5,738.30x = 28,846,369.95
  5. Step 5: Solve for x
    x = 28,846,369.95/5,738.30
  6. Step 6: Final answer
    x = 5,026.99

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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.