Home / 5,403.17-8,105.43-1,704.86

Finding the Fourth Proportional to 5,403.17, 8,105.43 and 1,704.86

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Solution

The fourth proportional to 5,403.17, 8,105.43 and 1,704.86 is: 2,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.17 : 8,105.43 = 1,704.86 : x
  2. Step 2: Convert to fraction form
    5,403.17/8,105.43 = 1,704.86/x
  3. Step 3: Cross multiply
    5,403.17x = 8,105.43 × 1,704.86
  4. Step 4: Simplify right side
    5,403.17x = 13,818,619.65
  5. Step 5: Solve for x
    x = 13,818,619.65/5,403.17
  6. Step 6: Final answer
    x = 2,557.50

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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.