Home / 4,106.74-6,153.93-1,912.90

Finding the Fourth Proportional to 4,106.74, 6,153.93 and 1,912.90

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Solution

The fourth proportional to 4,106.74, 6,153.93 and 1,912.90 is: 2,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.74 : 6,153.93 = 1,912.90 : x
  2. Step 2: Convert to fraction form
    4,106.74/6,153.93 = 1,912.90/x
  3. Step 3: Cross multiply
    4,106.74x = 6,153.93 × 1,912.90
  4. Step 4: Simplify right side
    4,106.74x = 11,771,852.70
  5. Step 5: Solve for x
    x = 11,771,852.70/4,106.74
  6. Step 6: Final answer
    x = 2,866.47

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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.