Home / 5,455.68-8,178.04-1,755.19

Finding the Fourth Proportional to 5,455.68, 8,178.04 and 1,755.19

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Solution

The fourth proportional to 5,455.68, 8,178.04 and 1,755.19 is: 2,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.68 : 8,178.04 = 1,755.19 : x
  2. Step 2: Convert to fraction form
    5,455.68/8,178.04 = 1,755.19/x
  3. Step 3: Cross multiply
    5,455.68x = 8,178.04 × 1,755.19
  4. Step 4: Simplify right side
    5,455.68x = 14,354,014.03
  5. Step 5: Solve for x
    x = 14,354,014.03/5,455.68
  6. Step 6: Final answer
    x = 2,631.02

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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.