Home / 4,584.52-6,876.81-1,121.77

Finding the Fourth Proportional to 4,584.52, 6,876.81 and 1,121.77

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Solution

The fourth proportional to 4,584.52, 6,876.81 and 1,121.77 is: 1,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.52 : 6,876.81 = 1,121.77 : x
  2. Step 2: Convert to fraction form
    4,584.52/6,876.81 = 1,121.77/x
  3. Step 3: Cross multiply
    4,584.52x = 6,876.81 × 1,121.77
  4. Step 4: Simplify right side
    4,584.52x = 7,714,199.15
  5. Step 5: Solve for x
    x = 7,714,199.15/4,584.52
  6. Step 6: Final answer
    x = 1,682.66

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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.