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Finding the Fourth Proportional to 5,643.08, 8,464.30 and 1,747.80

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Solution

The fourth proportional to 5,643.08, 8,464.30 and 1,747.80 is: 2,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.08 : 8,464.30 = 1,747.80 : x
  2. Step 2: Convert to fraction form
    5,643.08/8,464.30 = 1,747.80/x
  3. Step 3: Cross multiply
    5,643.08x = 8,464.30 × 1,747.80
  4. Step 4: Simplify right side
    5,643.08x = 14,793,903.54
  5. Step 5: Solve for x
    x = 14,793,903.54/5,643.08
  6. Step 6: Final answer
    x = 2,621.60

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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.