Home / 5,455.07-8,183.96-1,757.72

Finding the Fourth Proportional to 5,455.07, 8,183.96 and 1,757.72

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Solution

The fourth proportional to 5,455.07, 8,183.96 and 1,757.72 is: 2,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.07 : 8,183.96 = 1,757.72 : x
  2. Step 2: Convert to fraction form
    5,455.07/8,183.96 = 1,757.72/x
  3. Step 3: Cross multiply
    5,455.07x = 8,183.96 × 1,757.72
  4. Step 4: Simplify right side
    5,455.07x = 14,385,060.46
  5. Step 5: Solve for x
    x = 14,385,060.46/5,455.07
  6. Step 6: Final answer
    x = 2,637.01

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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.