Home / 4,140.26-6,210.41-1,218.60

Finding the Fourth Proportional to 4,140.26, 6,210.41 and 1,218.60

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Solution

The fourth proportional to 4,140.26, 6,210.41 and 1,218.60 is: 1,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.26 : 6,210.41 = 1,218.60 : x
  2. Step 2: Convert to fraction form
    4,140.26/6,210.41 = 1,218.60/x
  3. Step 3: Cross multiply
    4,140.26x = 6,210.41 × 1,218.60
  4. Step 4: Simplify right side
    4,140.26x = 7,567,999.53
  5. Step 5: Solve for x
    x = 7,567,999.53/4,140.26
  6. Step 6: Final answer
    x = 1,827.91

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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.