Home / 7,005.07-9,667.11-3,861.06

Finding the Fourth Proportional to 7,005.07, 9,667.11 and 3,861.06

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Solution

The fourth proportional to 7,005.07, 9,667.11 and 3,861.06 is: 5,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.07 : 9,667.11 = 3,861.06 : x
  2. Step 2: Convert to fraction form
    7,005.07/9,667.11 = 3,861.06/x
  3. Step 3: Cross multiply
    7,005.07x = 9,667.11 × 3,861.06
  4. Step 4: Simplify right side
    7,005.07x = 37,325,291.74
  5. Step 5: Solve for x
    x = 37,325,291.74/7,005.07
  6. Step 6: Final answer
    x = 5,328.33

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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.