Home / 4,226.72-6,339.34-1,148

Finding the Fourth Proportional to 4,226.72, 6,339.34 and 1,148

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Solution

The fourth proportional to 4,226.72, 6,339.34 and 1,148 is: 1,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.72 : 6,339.34 = 1,148 : x
  2. Step 2: Convert to fraction form
    4,226.72/6,339.34 = 1,148/x
  3. Step 3: Cross multiply
    4,226.72x = 6,339.34 × 1,148
  4. Step 4: Simplify right side
    4,226.72x = 7,277,562.32
  5. Step 5: Solve for x
    x = 7,277,562.32/4,226.72
  6. Step 6: Final answer
    x = 1,721.80

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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.