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Finding the Fourth Proportional to 5,389.84, 8,084.90 and 1,494.24

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Solution

The fourth proportional to 5,389.84, 8,084.90 and 1,494.24 is: 2,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.84 : 8,084.90 = 1,494.24 : x
  2. Step 2: Convert to fraction form
    5,389.84/8,084.90 = 1,494.24/x
  3. Step 3: Cross multiply
    5,389.84x = 8,084.90 × 1,494.24
  4. Step 4: Simplify right side
    5,389.84x = 12,080,780.98
  5. Step 5: Solve for x
    x = 12,080,780.98/5,389.84
  6. Step 6: Final answer
    x = 2,241.40

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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.