Home / 4,290.42-6,438.34-1,825.23

Finding the Fourth Proportional to 4,290.42, 6,438.34 and 1,825.23

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Solution

The fourth proportional to 4,290.42, 6,438.34 and 1,825.23 is: 2,739.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.42 : 6,438.34 = 1,825.23 : x
  2. Step 2: Convert to fraction form
    4,290.42/6,438.34 = 1,825.23/x
  3. Step 3: Cross multiply
    4,290.42x = 6,438.34 × 1,825.23
  4. Step 4: Simplify right side
    4,290.42x = 11,751,467.48
  5. Step 5: Solve for x
    x = 11,751,467.48/4,290.42
  6. Step 6: Final answer
    x = 2,739.00

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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.