Home / 5,402.21-8,103.74-1,704.65

Finding the Fourth Proportional to 5,402.21, 8,103.74 and 1,704.65

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Solution

The fourth proportional to 5,402.21, 8,103.74 and 1,704.65 is: 2,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.21 : 8,103.74 = 1,704.65 : x
  2. Step 2: Convert to fraction form
    5,402.21/8,103.74 = 1,704.65/x
  3. Step 3: Cross multiply
    5,402.21x = 8,103.74 × 1,704.65
  4. Step 4: Simplify right side
    5,402.21x = 13,813,991.35
  5. Step 5: Solve for x
    x = 13,813,991.35/5,402.21
  6. Step 6: Final answer
    x = 2,557.10

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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.