Home / 4,065.20-6,098.70-3,190.40

Finding the Fourth Proportional to 4,065.20, 6,098.70 and 3,190.40

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Solution

The fourth proportional to 4,065.20, 6,098.70 and 3,190.40 is: 4,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.20 : 6,098.70 = 3,190.40 : x
  2. Step 2: Convert to fraction form
    4,065.20/6,098.70 = 3,190.40/x
  3. Step 3: Cross multiply
    4,065.20x = 6,098.70 × 3,190.40
  4. Step 4: Simplify right side
    4,065.20x = 19,457,292.48
  5. Step 5: Solve for x
    x = 19,457,292.48/4,065.20
  6. Step 6: Final answer
    x = 4,786.31

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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.