Home / 4,750.02-7,121.07-1,827.54

Finding the Fourth Proportional to 4,750.02, 7,121.07 and 1,827.54

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Solution

The fourth proportional to 4,750.02, 7,121.07 and 1,827.54 is: 2,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.02 : 7,121.07 = 1,827.54 : x
  2. Step 2: Convert to fraction form
    4,750.02/7,121.07 = 1,827.54/x
  3. Step 3: Cross multiply
    4,750.02x = 7,121.07 × 1,827.54
  4. Step 4: Simplify right side
    4,750.02x = 13,014,040.27
  5. Step 5: Solve for x
    x = 13,014,040.27/4,750.02
  6. Step 6: Final answer
    x = 2,739.79

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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.