Home / 4,485.36-6,723.18-2,172

Finding the Fourth Proportional to 4,485.36, 6,723.18 and 2,172

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Solution

The fourth proportional to 4,485.36, 6,723.18 and 2,172 is: 3,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.36 : 6,723.18 = 2,172 : x
  2. Step 2: Convert to fraction form
    4,485.36/6,723.18 = 2,172/x
  3. Step 3: Cross multiply
    4,485.36x = 6,723.18 × 2,172
  4. Step 4: Simplify right side
    4,485.36x = 14,602,746.96
  5. Step 5: Solve for x
    x = 14,602,746.96/4,485.36
  6. Step 6: Final answer
    x = 3,255.65

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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.