Home / 5,385.45-8,072.36-2,606.24

Finding the Fourth Proportional to 5,385.45, 8,072.36 and 2,606.24

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Solution

The fourth proportional to 5,385.45, 8,072.36 and 2,606.24 is: 3,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.45 : 8,072.36 = 2,606.24 : x
  2. Step 2: Convert to fraction form
    5,385.45/8,072.36 = 2,606.24/x
  3. Step 3: Cross multiply
    5,385.45x = 8,072.36 × 2,606.24
  4. Step 4: Simplify right side
    5,385.45x = 21,038,524.45
  5. Step 5: Solve for x
    x = 21,038,524.45/5,385.45
  6. Step 6: Final answer
    x = 3,906.55

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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.