Home / 4,100.78-6,141.93-1,904.89

Finding the Fourth Proportional to 4,100.78, 6,141.93 and 1,904.89

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Solution

The fourth proportional to 4,100.78, 6,141.93 and 1,904.89 is: 2,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.78 : 6,141.93 = 1,904.89 : x
  2. Step 2: Convert to fraction form
    4,100.78/6,141.93 = 1,904.89/x
  3. Step 3: Cross multiply
    4,100.78x = 6,141.93 × 1,904.89
  4. Step 4: Simplify right side
    4,100.78x = 11,699,703.95
  5. Step 5: Solve for x
    x = 11,699,703.95/4,100.78
  6. Step 6: Final answer
    x = 2,853.04

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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.