Home / 4,279.03-6,418.57-1,317.44

Finding the Fourth Proportional to 4,279.03, 6,418.57 and 1,317.44

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Solution

The fourth proportional to 4,279.03, 6,418.57 and 1,317.44 is: 1,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.03 : 6,418.57 = 1,317.44 : x
  2. Step 2: Convert to fraction form
    4,279.03/6,418.57 = 1,317.44/x
  3. Step 3: Cross multiply
    4,279.03x = 6,418.57 × 1,317.44
  4. Step 4: Simplify right side
    4,279.03x = 8,456,048.77
  5. Step 5: Solve for x
    x = 8,456,048.77/4,279.03
  6. Step 6: Final answer
    x = 1,976.16

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1.5x scale

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.