Home / 5,825.80-8,736.02-1,876.32

Finding the Fourth Proportional to 5,825.80, 8,736.02 and 1,876.32

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Solution

The fourth proportional to 5,825.80, 8,736.02 and 1,876.32 is: 2,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.80 : 8,736.02 = 1,876.32 : x
  2. Step 2: Convert to fraction form
    5,825.80/8,736.02 = 1,876.32/x
  3. Step 3: Cross multiply
    5,825.80x = 8,736.02 × 1,876.32
  4. Step 4: Simplify right side
    5,825.80x = 16,391,569.05
  5. Step 5: Solve for x
    x = 16,391,569.05/5,825.80
  6. Step 6: Final answer
    x = 2,813.62

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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.