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Finding the Fourth Proportional to 4,012.81, 6,019.18 and 1,091.11

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Solution

The fourth proportional to 4,012.81, 6,019.18 and 1,091.11 is: 1,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.81 : 6,019.18 = 1,091.11 : x
  2. Step 2: Convert to fraction form
    4,012.81/6,019.18 = 1,091.11/x
  3. Step 3: Cross multiply
    4,012.81x = 6,019.18 × 1,091.11
  4. Step 4: Simplify right side
    4,012.81x = 6,567,587.49
  5. Step 5: Solve for x
    x = 6,567,587.49/4,012.81
  6. Step 6: Final answer
    x = 1,636.66

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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.