Home / 6,279.94-8,666.32-3,485.44

Finding the Fourth Proportional to 6,279.94, 8,666.32 and 3,485.44

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Solution

The fourth proportional to 6,279.94, 8,666.32 and 3,485.44 is: 4,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.94 : 8,666.32 = 3,485.44 : x
  2. Step 2: Convert to fraction form
    6,279.94/8,666.32 = 3,485.44/x
  3. Step 3: Cross multiply
    6,279.94x = 8,666.32 × 3,485.44
  4. Step 4: Simplify right side
    6,279.94x = 30,205,908.00
  5. Step 5: Solve for x
    x = 30,205,908.00/6,279.94
  6. Step 6: Final answer
    x = 4,809.91

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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.