Home / 6,078.02-9,111.55-2,181.51

Finding the Fourth Proportional to 6,078.02, 9,111.55 and 2,181.51

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Solution

The fourth proportional to 6,078.02, 9,111.55 and 2,181.51 is: 3,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.02 : 9,111.55 = 2,181.51 : x
  2. Step 2: Convert to fraction form
    6,078.02/9,111.55 = 2,181.51/x
  3. Step 3: Cross multiply
    6,078.02x = 9,111.55 × 2,181.51
  4. Step 4: Simplify right side
    6,078.02x = 19,876,937.44
  5. Step 5: Solve for x
    x = 19,876,937.44/6,078.02
  6. Step 6: Final answer
    x = 3,270.30

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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.