Home / 5,643.24-8,464.84-1,945.46

Finding the Fourth Proportional to 5,643.24, 8,464.84 and 1,945.46

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Solution

The fourth proportional to 5,643.24, 8,464.84 and 1,945.46 is: 2,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.24 : 8,464.84 = 1,945.46 : x
  2. Step 2: Convert to fraction form
    5,643.24/8,464.84 = 1,945.46/x
  3. Step 3: Cross multiply
    5,643.24x = 8,464.84 × 1,945.46
  4. Step 4: Simplify right side
    5,643.24x = 16,468,007.63
  5. Step 5: Solve for x
    x = 16,468,007.63/5,643.24
  6. Step 6: Final answer
    x = 2,918.18

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Similar ratio
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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.