Home / 6,141.12-9,192.06-3,215.40

Finding the Fourth Proportional to 6,141.12, 9,192.06 and 3,215.40

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Solution

The fourth proportional to 6,141.12, 9,192.06 and 3,215.40 is: 4,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.12 : 9,192.06 = 3,215.40 : x
  2. Step 2: Convert to fraction form
    6,141.12/9,192.06 = 3,215.40/x
  3. Step 3: Cross multiply
    6,141.12x = 9,192.06 × 3,215.40
  4. Step 4: Simplify right side
    6,141.12x = 29,556,149.72
  5. Step 5: Solve for x
    x = 29,556,149.72/6,141.12
  6. Step 6: Final answer
    x = 4,812.83

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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.