Home / 4,112.07-6,170.83-1,515

Finding the Fourth Proportional to 4,112.07, 6,170.83 and 1,515

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Solution

The fourth proportional to 4,112.07, 6,170.83 and 1,515 is: 2,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.07 : 6,170.83 = 1,515 : x
  2. Step 2: Convert to fraction form
    4,112.07/6,170.83 = 1,515/x
  3. Step 3: Cross multiply
    4,112.07x = 6,170.83 × 1,515
  4. Step 4: Simplify right side
    4,112.07x = 9,348,807.45
  5. Step 5: Solve for x
    x = 9,348,807.45/4,112.07
  6. Step 6: Final answer
    x = 2,273.50

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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.