Home / 5,447.08-8,168.79-1,748.40

Finding the Fourth Proportional to 5,447.08, 8,168.79 and 1,748.40

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Solution

The fourth proportional to 5,447.08, 8,168.79 and 1,748.40 is: 2,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.08 : 8,168.79 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    5,447.08/8,168.79 = 1,748.40/x
  3. Step 3: Cross multiply
    5,447.08x = 8,168.79 × 1,748.40
  4. Step 4: Simplify right side
    5,447.08x = 14,282,339.25
  5. Step 5: Solve for x
    x = 14,282,339.25/5,447.08
  6. Step 6: Final answer
    x = 2,622.02

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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.