Home / 6,580.26-9,081.23-3,928.05

Finding the Fourth Proportional to 6,580.26, 9,081.23 and 3,928.05

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Solution

The fourth proportional to 6,580.26, 9,081.23 and 3,928.05 is: 5,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,580.26 : 9,081.23 = 3,928.05 : x
  2. Step 2: Convert to fraction form
    6,580.26/9,081.23 = 3,928.05/x
  3. Step 3: Cross multiply
    6,580.26x = 9,081.23 × 3,928.05
  4. Step 4: Simplify right side
    6,580.26x = 35,671,505.86
  5. Step 5: Solve for x
    x = 35,671,505.86/6,580.26
  6. Step 6: Final answer
    x = 5,420.99

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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.