Home / 4,984.27-6,878.31-2,746.30

Finding the Fourth Proportional to 4,984.27, 6,878.31 and 2,746.30

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Solution

The fourth proportional to 4,984.27, 6,878.31 and 2,746.30 is: 3,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.27 : 6,878.31 = 2,746.30 : x
  2. Step 2: Convert to fraction form
    4,984.27/6,878.31 = 2,746.30/x
  3. Step 3: Cross multiply
    4,984.27x = 6,878.31 × 2,746.30
  4. Step 4: Simplify right side
    4,984.27x = 18,889,902.75
  5. Step 5: Solve for x
    x = 18,889,902.75/4,984.27
  6. Step 6: Final answer
    x = 3,789.90

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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.