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Finding the Fourth Proportional to 5,348.51, 8,021.05 and 1,837.67

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Solution

The fourth proportional to 5,348.51, 8,021.05 and 1,837.67 is: 2,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.51 : 8,021.05 = 1,837.67 : x
  2. Step 2: Convert to fraction form
    5,348.51/8,021.05 = 1,837.67/x
  3. Step 3: Cross multiply
    5,348.51x = 8,021.05 × 1,837.67
  4. Step 4: Simplify right side
    5,348.51x = 14,740,002.85
  5. Step 5: Solve for x
    x = 14,740,002.85/5,348.51
  6. Step 6: Final answer
    x = 2,755.91

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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.