Home / 4,743.36-7,116.66-2,148.12

Finding the Fourth Proportional to 4,743.36, 7,116.66 and 2,148.12

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Solution

The fourth proportional to 4,743.36, 7,116.66 and 2,148.12 is: 3,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.36 : 7,116.66 = 2,148.12 : x
  2. Step 2: Convert to fraction form
    4,743.36/7,116.66 = 2,148.12/x
  3. Step 3: Cross multiply
    4,743.36x = 7,116.66 × 2,148.12
  4. Step 4: Simplify right side
    4,743.36x = 15,287,439.68
  5. Step 5: Solve for x
    x = 15,287,439.68/4,743.36
  6. Step 6: Final answer
    x = 3,222.91

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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.