Home / 5,827-8,038.98-3,838.60

Finding the Fourth Proportional to 5,827, 8,038.98 and 3,838.60

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Solution

The fourth proportional to 5,827, 8,038.98 and 3,838.60 is: 5,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827 : 8,038.98 = 3,838.60 : x
  2. Step 2: Convert to fraction form
    5,827/8,038.98 = 3,838.60/x
  3. Step 3: Cross multiply
    5,827x = 8,038.98 × 3,838.60
  4. Step 4: Simplify right side
    5,827x = 30,858,428.63
  5. Step 5: Solve for x
    x = 30,858,428.63/5,827
  6. Step 6: Final answer
    x = 5,295.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.