Home / 6,078.03-8,388.93-3,561.45

Finding the Fourth Proportional to 6,078.03, 8,388.93 and 3,561.45

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Solution

The fourth proportional to 6,078.03, 8,388.93 and 3,561.45 is: 4,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.03 : 8,388.93 = 3,561.45 : x
  2. Step 2: Convert to fraction form
    6,078.03/8,388.93 = 3,561.45/x
  3. Step 3: Cross multiply
    6,078.03x = 8,388.93 × 3,561.45
  4. Step 4: Simplify right side
    6,078.03x = 29,876,754.75
  5. Step 5: Solve for x
    x = 29,876,754.75/6,078.03
  6. Step 6: Final answer
    x = 4,915.53

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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.