Home / 4,984.88-6,878.81-2,746.40

Finding the Fourth Proportional to 4,984.88, 6,878.81 and 2,746.40

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Solution

The fourth proportional to 4,984.88, 6,878.81 and 2,746.40 is: 3,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.88 : 6,878.81 = 2,746.40 : x
  2. Step 2: Convert to fraction form
    4,984.88/6,878.81 = 2,746.40/x
  3. Step 3: Cross multiply
    4,984.88x = 6,878.81 × 2,746.40
  4. Step 4: Simplify right side
    4,984.88x = 18,891,936.26
  5. Step 5: Solve for x
    x = 18,891,936.26/4,984.88
  6. Step 6: Final answer
    x = 3,789.85

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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.