Home / 8,331.74-11,485.94-5,675.75

Finding the Fourth Proportional to 8,331.74, 11,485.94 and 5,675.75

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Solution

The fourth proportional to 8,331.74, 11,485.94 and 5,675.75 is: 7,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.74 : 11,485.94 = 5,675.75 : x
  2. Step 2: Convert to fraction form
    8,331.74/11,485.94 = 5,675.75/x
  3. Step 3: Cross multiply
    8,331.74x = 11,485.94 × 5,675.75
  4. Step 4: Simplify right side
    8,331.74x = 65,191,366.86
  5. Step 5: Solve for x
    x = 65,191,366.86/8,331.74
  6. Step 6: Final answer
    x = 7,824.46

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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.