Home / 4,984.47-6,878.48-2,746.31

Finding the Fourth Proportional to 4,984.47, 6,878.48 and 2,746.31

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Solution

The fourth proportional to 4,984.47, 6,878.48 and 2,746.31 is: 3,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.47 : 6,878.48 = 2,746.31 : x
  2. Step 2: Convert to fraction form
    4,984.47/6,878.48 = 2,746.31/x
  3. Step 3: Cross multiply
    4,984.47x = 6,878.48 × 2,746.31
  4. Step 4: Simplify right side
    4,984.47x = 18,890,390.28
  5. Step 5: Solve for x
    x = 18,890,390.28/4,984.47
  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.