Home / 4,425.65-6,636.18-1,305.26

Finding the Fourth Proportional to 4,425.65, 6,636.18 and 1,305.26

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Solution

The fourth proportional to 4,425.65, 6,636.18 and 1,305.26 is: 1,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.65 : 6,636.18 = 1,305.26 : x
  2. Step 2: Convert to fraction form
    4,425.65/6,636.18 = 1,305.26/x
  3. Step 3: Cross multiply
    4,425.65x = 6,636.18 × 1,305.26
  4. Step 4: Simplify right side
    4,425.65x = 8,661,907.13
  5. Step 5: Solve for x
    x = 8,661,907.13/4,425.65
  6. Step 6: Final answer
    x = 1,957.21

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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.