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Finding the Fourth Proportional to 6,283, 8,670.78 and 3,488.44

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Solution

The fourth proportional to 6,283, 8,670.78 and 3,488.44 is: 4,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283 : 8,670.78 = 3,488.44 : x
  2. Step 2: Convert to fraction form
    6,283/8,670.78 = 3,488.44/x
  3. Step 3: Cross multiply
    6,283x = 8,670.78 × 3,488.44
  4. Step 4: Simplify right side
    6,283x = 30,247,495.78
  5. Step 5: Solve for x
    x = 30,247,495.78/6,283
  6. Step 6: Final answer
    x = 4,814.18

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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.