Home / 4,989.60-6,886.08-2,893.68

Finding the Fourth Proportional to 4,989.60, 6,886.08 and 2,893.68

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Solution

The fourth proportional to 4,989.60, 6,886.08 and 2,893.68 is: 3,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.60 : 6,886.08 = 2,893.68 : x
  2. Step 2: Convert to fraction form
    4,989.60/6,886.08 = 2,893.68/x
  3. Step 3: Cross multiply
    4,989.60x = 6,886.08 × 2,893.68
  4. Step 4: Simplify right side
    4,989.60x = 19,926,111.97
  5. Step 5: Solve for x
    x = 19,926,111.97/4,989.60
  6. Step 6: Final answer
    x = 3,993.53

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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.