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Finding the Fourth Proportional to 5,581.49, 8,369.78 and 1,684.98

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Solution

The fourth proportional to 5,581.49, 8,369.78 and 1,684.98 is: 2,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.49 : 8,369.78 = 1,684.98 : x
  2. Step 2: Convert to fraction form
    5,581.49/8,369.78 = 1,684.98/x
  3. Step 3: Cross multiply
    5,581.49x = 8,369.78 × 1,684.98
  4. Step 4: Simplify right side
    5,581.49x = 14,102,903.48
  5. Step 5: Solve for x
    x = 14,102,903.48/5,581.49
  6. Step 6: Final answer
    x = 2,526.73

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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.