Home / 4,538.37-6,807.80-1,418.80

Finding the Fourth Proportional to 4,538.37, 6,807.80 and 1,418.80

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Solution

The fourth proportional to 4,538.37, 6,807.80 and 1,418.80 is: 2,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.37 : 6,807.80 = 1,418.80 : x
  2. Step 2: Convert to fraction form
    4,538.37/6,807.80 = 1,418.80/x
  3. Step 3: Cross multiply
    4,538.37x = 6,807.80 × 1,418.80
  4. Step 4: Simplify right side
    4,538.37x = 9,658,906.64
  5. Step 5: Solve for x
    x = 9,658,906.64/4,538.37
  6. Step 6: Final answer
    x = 2,128.28

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1.5x scale

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.