Home / 4,323.06-6,485.30-1,400.80

Finding the Fourth Proportional to 4,323.06, 6,485.30 and 1,400.80

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Solution

The fourth proportional to 4,323.06, 6,485.30 and 1,400.80 is: 2,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.06 : 6,485.30 = 1,400.80 : x
  2. Step 2: Convert to fraction form
    4,323.06/6,485.30 = 1,400.80/x
  3. Step 3: Cross multiply
    4,323.06x = 6,485.30 × 1,400.80
  4. Step 4: Simplify right side
    4,323.06x = 9,084,608.24
  5. Step 5: Solve for x
    x = 9,084,608.24/4,323.06
  6. Step 6: Final answer
    x = 2,101.43

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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.