Home / 4,974.60-6,862.14-2,878.44

Finding the Fourth Proportional to 4,974.60, 6,862.14 and 2,878.44

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Solution

The fourth proportional to 4,974.60, 6,862.14 and 2,878.44 is: 3,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.60 : 6,862.14 = 2,878.44 : x
  2. Step 2: Convert to fraction form
    4,974.60/6,862.14 = 2,878.44/x
  3. Step 3: Cross multiply
    4,974.60x = 6,862.14 × 2,878.44
  4. Step 4: Simplify right side
    4,974.60x = 19,752,258.26
  5. Step 5: Solve for x
    x = 19,752,258.26/4,974.60
  6. Step 6: Final answer
    x = 3,970.62

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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.