Home / 4,087.05-6,129.66-1,894.58

Finding the Fourth Proportional to 4,087.05, 6,129.66 and 1,894.58

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Solution

The fourth proportional to 4,087.05, 6,129.66 and 1,894.58 is: 2,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.05 : 6,129.66 = 1,894.58 : x
  2. Step 2: Convert to fraction form
    4,087.05/6,129.66 = 1,894.58/x
  3. Step 3: Cross multiply
    4,087.05x = 6,129.66 × 1,894.58
  4. Step 4: Simplify right side
    4,087.05x = 11,613,131.24
  5. Step 5: Solve for x
    x = 11,613,131.24/4,087.05
  6. Step 6: Final answer
    x = 2,841.45

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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.