Home / 6,120.91-9,181.15-1,738.35

Finding the Fourth Proportional to 6,120.91, 9,181.15 and 1,738.35

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Solution

The fourth proportional to 6,120.91, 9,181.15 and 1,738.35 is: 2,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.91 : 9,181.15 = 1,738.35 : x
  2. Step 2: Convert to fraction form
    6,120.91/9,181.15 = 1,738.35/x
  3. Step 3: Cross multiply
    6,120.91x = 9,181.15 × 1,738.35
  4. Step 4: Simplify right side
    6,120.91x = 15,960,043.41
  5. Step 5: Solve for x
    x = 15,960,043.41/6,120.91
  6. Step 6: Final answer
    x = 2,607.46

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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.