Home / 5,623.76-8,430.20-3,775.37

Finding the Fourth Proportional to 5,623.76, 8,430.20 and 3,775.37

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Solution

The fourth proportional to 5,623.76, 8,430.20 and 3,775.37 is: 5,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.76 : 8,430.20 = 3,775.37 : x
  2. Step 2: Convert to fraction form
    5,623.76/8,430.20 = 3,775.37/x
  3. Step 3: Cross multiply
    5,623.76x = 8,430.20 × 3,775.37
  4. Step 4: Simplify right side
    5,623.76x = 31,827,063.15
  5. Step 5: Solve for x
    x = 31,827,063.15/5,623.76
  6. Step 6: Final answer
    x = 5,659.39

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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.