Home / 6,861.33-10,291.77-1,930.86

Finding the Fourth Proportional to 6,861.33, 10,291.77 and 1,930.86

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Solution

The fourth proportional to 6,861.33, 10,291.77 and 1,930.86 is: 2,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.33 : 10,291.77 = 1,930.86 : x
  2. Step 2: Convert to fraction form
    6,861.33/10,291.77 = 1,930.86/x
  3. Step 3: Cross multiply
    6,861.33x = 10,291.77 × 1,930.86
  4. Step 4: Simplify right side
    6,861.33x = 19,871,967.02
  5. Step 5: Solve for x
    x = 19,871,967.02/6,861.33
  6. Step 6: Final answer
    x = 2,896.23

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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.