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Finding the Fourth Proportional to 5,397.89, 8,094.89 and 1,886.95

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Solution

The fourth proportional to 5,397.89, 8,094.89 and 1,886.95 is: 2,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.89 : 8,094.89 = 1,886.95 : x
  2. Step 2: Convert to fraction form
    5,397.89/8,094.89 = 1,886.95/x
  3. Step 3: Cross multiply
    5,397.89x = 8,094.89 × 1,886.95
  4. Step 4: Simplify right side
    5,397.89x = 15,274,611.37
  5. Step 5: Solve for x
    x = 15,274,611.37/5,397.89
  6. Step 6: Final answer
    x = 2,829.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.