Home / 4,186.79-6,279.37-1,264.41

Finding the Fourth Proportional to 4,186.79, 6,279.37 and 1,264.41

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Solution

The fourth proportional to 4,186.79, 6,279.37 and 1,264.41 is: 1,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.79 : 6,279.37 = 1,264.41 : x
  2. Step 2: Convert to fraction form
    4,186.79/6,279.37 = 1,264.41/x
  3. Step 3: Cross multiply
    4,186.79x = 6,279.37 × 1,264.41
  4. Step 4: Simplify right side
    4,186.79x = 7,939,702.17
  5. Step 5: Solve for x
    x = 7,939,702.17/4,186.79
  6. Step 6: Final answer
    x = 1,896.37

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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.