Home / 4,984.40-6,878.72-2,746.48

Finding the Fourth Proportional to 4,984.40, 6,878.72 and 2,746.48

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Solution

The fourth proportional to 4,984.40, 6,878.72 and 2,746.48 is: 3,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.40 : 6,878.72 = 2,746.48 : x
  2. Step 2: Convert to fraction form
    4,984.40/6,878.72 = 2,746.48/x
  3. Step 3: Cross multiply
    4,984.40x = 6,878.72 × 2,746.48
  4. Step 4: Simplify right side
    4,984.40x = 18,892,266.91
  5. Step 5: Solve for x
    x = 18,892,266.91/4,984.40
  6. Step 6: Final answer
    x = 3,790.28

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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.