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Finding the Fourth Proportional to 5,369.86, 8,051.46 and 1,671.04

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Solution

The fourth proportional to 5,369.86, 8,051.46 and 1,671.04 is: 2,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.86 : 8,051.46 = 1,671.04 : x
  2. Step 2: Convert to fraction form
    5,369.86/8,051.46 = 1,671.04/x
  3. Step 3: Cross multiply
    5,369.86x = 8,051.46 × 1,671.04
  4. Step 4: Simplify right side
    5,369.86x = 13,454,311.72
  5. Step 5: Solve for x
    x = 13,454,311.72/5,369.86
  6. Step 6: Final answer
    x = 2,505.52

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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.