Home / 4,147.30-6,215.14-3,528.56

Finding the Fourth Proportional to 4,147.30, 6,215.14 and 3,528.56

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Solution

The fourth proportional to 4,147.30, 6,215.14 and 3,528.56 is: 5,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.30 : 6,215.14 = 3,528.56 : x
  2. Step 2: Convert to fraction form
    4,147.30/6,215.14 = 3,528.56/x
  3. Step 3: Cross multiply
    4,147.30x = 6,215.14 × 3,528.56
  4. Step 4: Simplify right side
    4,147.30x = 21,930,494.40
  5. Step 5: Solve for x
    x = 21,930,494.40/4,147.30
  6. Step 6: Final answer
    x = 5,287.90

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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.