Home / 4,316.49-6,466.89-1,978.44

Finding the Fourth Proportional to 4,316.49, 6,466.89 and 1,978.44

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Solution

The fourth proportional to 4,316.49, 6,466.89 and 1,978.44 is: 2,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.49 : 6,466.89 = 1,978.44 : x
  2. Step 2: Convert to fraction form
    4,316.49/6,466.89 = 1,978.44/x
  3. Step 3: Cross multiply
    4,316.49x = 6,466.89 × 1,978.44
  4. Step 4: Simplify right side
    4,316.49x = 12,794,321.52
  5. Step 5: Solve for x
    x = 12,794,321.52/4,316.49
  6. Step 6: Final answer
    x = 2,964.06

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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.