Home / 5,721.99-8,548.30-3,625.21

Finding the Fourth Proportional to 5,721.99, 8,548.30 and 3,625.21

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Solution

The fourth proportional to 5,721.99, 8,548.30 and 3,625.21 is: 5,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.99 : 8,548.30 = 3,625.21 : x
  2. Step 2: Convert to fraction form
    5,721.99/8,548.30 = 3,625.21/x
  3. Step 3: Cross multiply
    5,721.99x = 8,548.30 × 3,625.21
  4. Step 4: Simplify right side
    5,721.99x = 30,989,382.64
  5. Step 5: Solve for x
    x = 30,989,382.64/5,721.99
  6. Step 6: Final answer
    x = 5,415.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.