Home / 8,173.77-11,279.92-4,636.98

Finding the Fourth Proportional to 8,173.77, 11,279.92 and 4,636.98

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Solution

The fourth proportional to 8,173.77, 11,279.92 and 4,636.98 is: 6,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.77 : 11,279.92 = 4,636.98 : x
  2. Step 2: Convert to fraction form
    8,173.77/11,279.92 = 4,636.98/x
  3. Step 3: Cross multiply
    8,173.77x = 11,279.92 × 4,636.98
  4. Step 4: Simplify right side
    8,173.77x = 52,304,763.44
  5. Step 5: Solve for x
    x = 52,304,763.44/8,173.77
  6. Step 6: Final answer
    x = 6,399.10

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1.5x scale

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.