Home / 7,110.73-10,667.45-3,215.13

Finding the Fourth Proportional to 7,110.73, 10,667.45 and 3,215.13

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Solution

The fourth proportional to 7,110.73, 10,667.45 and 3,215.13 is: 4,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.73 : 10,667.45 = 3,215.13 : x
  2. Step 2: Convert to fraction form
    7,110.73/10,667.45 = 3,215.13/x
  3. Step 3: Cross multiply
    7,110.73x = 10,667.45 × 3,215.13
  4. Step 4: Simplify right side
    7,110.73x = 34,297,238.52
  5. Step 5: Solve for x
    x = 34,297,238.52/7,110.73
  6. Step 6: Final answer
    x = 4,823.31

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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.