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Finding the Fourth Proportional to 5,396.31, 8,094.86 and 1,885.86

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Solution

The fourth proportional to 5,396.31, 8,094.86 and 1,885.86 is: 2,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.31 : 8,094.86 = 1,885.86 : x
  2. Step 2: Convert to fraction form
    5,396.31/8,094.86 = 1,885.86/x
  3. Step 3: Cross multiply
    5,396.31x = 8,094.86 × 1,885.86
  4. Step 4: Simplify right side
    5,396.31x = 15,265,763.25
  5. Step 5: Solve for x
    x = 15,265,763.25/5,396.31
  6. Step 6: Final answer
    x = 2,828.93

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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.