Home / 4,359.86-6,540.05-1,438.19

Finding the Fourth Proportional to 4,359.86, 6,540.05 and 1,438.19

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Solution

The fourth proportional to 4,359.86, 6,540.05 and 1,438.19 is: 2,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.86 : 6,540.05 = 1,438.19 : x
  2. Step 2: Convert to fraction form
    4,359.86/6,540.05 = 1,438.19/x
  3. Step 3: Cross multiply
    4,359.86x = 6,540.05 × 1,438.19
  4. Step 4: Simplify right side
    4,359.86x = 9,405,834.51
  5. Step 5: Solve for x
    x = 9,405,834.51/4,359.86
  6. Step 6: Final answer
    x = 2,157.37

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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.