Home / 4,078.90-6,118.26-1,157.23

Finding the Fourth Proportional to 4,078.90, 6,118.26 and 1,157.23

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Solution

The fourth proportional to 4,078.90, 6,118.26 and 1,157.23 is: 1,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.90 : 6,118.26 = 1,157.23 : x
  2. Step 2: Convert to fraction form
    4,078.90/6,118.26 = 1,157.23/x
  3. Step 3: Cross multiply
    4,078.90x = 6,118.26 × 1,157.23
  4. Step 4: Simplify right side
    4,078.90x = 7,080,234.02
  5. Step 5: Solve for x
    x = 7,080,234.02/4,078.90
  6. Step 6: Final answer
    x = 1,735.82

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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.