Home / 5,643.30-8,464.70-1,747.68

Finding the Fourth Proportional to 5,643.30, 8,464.70 and 1,747.68

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Solution

The fourth proportional to 5,643.30, 8,464.70 and 1,747.68 is: 2,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.30 : 8,464.70 = 1,747.68 : x
  2. Step 2: Convert to fraction form
    5,643.30/8,464.70 = 1,747.68/x
  3. Step 3: Cross multiply
    5,643.30x = 8,464.70 × 1,747.68
  4. Step 4: Simplify right side
    5,643.30x = 14,793,586.90
  5. Step 5: Solve for x
    x = 14,793,586.90/5,643.30
  6. Step 6: Final answer
    x = 2,621.44

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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.