Home / 4,360.23-6,540.62-1,438.56

Finding the Fourth Proportional to 4,360.23, 6,540.62 and 1,438.56

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Solution

The fourth proportional to 4,360.23, 6,540.62 and 1,438.56 is: 2,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,360.23 : 6,540.62 = 1,438.56 : x
  2. Step 2: Convert to fraction form
    4,360.23/6,540.62 = 1,438.56/x
  3. Step 3: Cross multiply
    4,360.23x = 6,540.62 × 1,438.56
  4. Step 4: Simplify right side
    4,360.23x = 9,409,067.11
  5. Step 5: Solve for x
    x = 9,409,067.11/4,360.23
  6. Step 6: Final answer
    x = 2,157.93

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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.