Home / 5,455.94-8,184.44-2,168.30

Finding the Fourth Proportional to 5,455.94, 8,184.44 and 2,168.30

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Solution

The fourth proportional to 5,455.94, 8,184.44 and 2,168.30 is: 3,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.94 : 8,184.44 = 2,168.30 : x
  2. Step 2: Convert to fraction form
    5,455.94/8,184.44 = 2,168.30/x
  3. Step 3: Cross multiply
    5,455.94x = 8,184.44 × 2,168.30
  4. Step 4: Simplify right side
    5,455.94x = 17,746,347.13
  5. Step 5: Solve for x
    x = 17,746,347.13/5,455.94
  6. Step 6: Final answer
    x = 3,252.66

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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.