Home / 6,279.58-8,665.84-3,626.98

Finding the Fourth Proportional to 6,279.58, 8,665.84 and 3,626.98

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Solution

The fourth proportional to 6,279.58, 8,665.84 and 3,626.98 is: 5,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.58 : 8,665.84 = 3,626.98 : x
  2. Step 2: Convert to fraction form
    6,279.58/8,665.84 = 3,626.98/x
  3. Step 3: Cross multiply
    6,279.58x = 8,665.84 × 3,626.98
  4. Step 4: Simplify right side
    6,279.58x = 31,430,828.36
  5. Step 5: Solve for x
    x = 31,430,828.36/6,279.58
  6. Step 6: Final answer
    x = 5,005.24

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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.