Home / 6,455.94-8,908.87-3,622.96

Finding the Fourth Proportional to 6,455.94, 8,908.87 and 3,622.96

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Solution

The fourth proportional to 6,455.94, 8,908.87 and 3,622.96 is: 4,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.94 : 8,908.87 = 3,622.96 : x
  2. Step 2: Convert to fraction form
    6,455.94/8,908.87 = 3,622.96/x
  3. Step 3: Cross multiply
    6,455.94x = 8,908.87 × 3,622.96
  4. Step 4: Simplify right side
    6,455.94x = 32,276,479.66
  5. Step 5: Solve for x
    x = 32,276,479.66/6,455.94
  6. Step 6: Final answer
    x = 4,999.50

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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.