Home / 4,845.06-6,685.11-3,078.90

Finding the Fourth Proportional to 4,845.06, 6,685.11 and 3,078.90

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Solution

The fourth proportional to 4,845.06, 6,685.11 and 3,078.90 is: 4,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.06 : 6,685.11 = 3,078.90 : x
  2. Step 2: Convert to fraction form
    4,845.06/6,685.11 = 3,078.90/x
  3. Step 3: Cross multiply
    4,845.06x = 6,685.11 × 3,078.90
  4. Step 4: Simplify right side
    4,845.06x = 20,582,785.18
  5. Step 5: Solve for x
    x = 20,582,785.18/4,845.06
  6. Step 6: Final answer
    x = 4,248.20

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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.