Home / 4,480.26-6,720.65-1,360.37

Finding the Fourth Proportional to 4,480.26, 6,720.65 and 1,360.37

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Solution

The fourth proportional to 4,480.26, 6,720.65 and 1,360.37 is: 2,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.26 : 6,720.65 = 1,360.37 : x
  2. Step 2: Convert to fraction form
    4,480.26/6,720.65 = 1,360.37/x
  3. Step 3: Cross multiply
    4,480.26x = 6,720.65 × 1,360.37
  4. Step 4: Simplify right side
    4,480.26x = 9,142,574.49
  5. Step 5: Solve for x
    x = 9,142,574.49/4,480.26
  6. Step 6: Final answer
    x = 2,040.63

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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.