Home / 5,215.14-7,197.03-2,946.30

Finding the Fourth Proportional to 5,215.14, 7,197.03 and 2,946.30

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Solution

The fourth proportional to 5,215.14, 7,197.03 and 2,946.30 is: 4,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.14 : 7,197.03 = 2,946.30 : x
  2. Step 2: Convert to fraction form
    5,215.14/7,197.03 = 2,946.30/x
  3. Step 3: Cross multiply
    5,215.14x = 7,197.03 × 2,946.30
  4. Step 4: Simplify right side
    5,215.14x = 21,204,609.49
  5. Step 5: Solve for x
    x = 21,204,609.49/5,215.14
  6. Step 6: Final answer
    x = 4,065.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.