Home / 5,825.87-8,039.86-3,308.09

Finding the Fourth Proportional to 5,825.87, 8,039.86 and 3,308.09

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Solution

The fourth proportional to 5,825.87, 8,039.86 and 3,308.09 is: 4,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.87 : 8,039.86 = 3,308.09 : x
  2. Step 2: Convert to fraction form
    5,825.87/8,039.86 = 3,308.09/x
  3. Step 3: Cross multiply
    5,825.87x = 8,039.86 × 3,308.09
  4. Step 4: Simplify right side
    5,825.87x = 26,596,580.47
  5. Step 5: Solve for x
    x = 26,596,580.47/5,825.87
  6. Step 6: Final answer
    x = 4,565.25

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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.