Home / 5,836-8,051.28-3,847.48

Finding the Fourth Proportional to 5,836, 8,051.28 and 3,847.48

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Solution

The fourth proportional to 5,836, 8,051.28 and 3,847.48 is: 5,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836 : 8,051.28 = 3,847.48 : x
  2. Step 2: Convert to fraction form
    5,836/8,051.28 = 3,847.48/x
  3. Step 3: Cross multiply
    5,836x = 8,051.28 × 3,847.48
  4. Step 4: Simplify right side
    5,836x = 30,977,138.77
  5. Step 5: Solve for x
    x = 30,977,138.77/5,836
  6. Step 6: Final answer
    x = 5,307.94

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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.