Home / 4,741.36-7,115.67-2,146.12

Finding the Fourth Proportional to 4,741.36, 7,115.67 and 2,146.12

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Solution

The fourth proportional to 4,741.36, 7,115.67 and 2,146.12 is: 3,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.36 : 7,115.67 = 2,146.12 : x
  2. Step 2: Convert to fraction form
    4,741.36/7,115.67 = 2,146.12/x
  3. Step 3: Cross multiply
    4,741.36x = 7,115.67 × 2,146.12
  4. Step 4: Simplify right side
    4,741.36x = 15,271,081.70
  5. Step 5: Solve for x
    x = 15,271,081.70/4,741.36
  6. Step 6: Final answer
    x = 3,220.82

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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.