Home / 5,980.89-8,253.68-3,621.39

Finding the Fourth Proportional to 5,980.89, 8,253.68 and 3,621.39

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Solution

The fourth proportional to 5,980.89, 8,253.68 and 3,621.39 is: 4,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.89 : 8,253.68 = 3,621.39 : x
  2. Step 2: Convert to fraction form
    5,980.89/8,253.68 = 3,621.39/x
  3. Step 3: Cross multiply
    5,980.89x = 8,253.68 × 3,621.39
  4. Step 4: Simplify right side
    5,980.89x = 29,889,776.11
  5. Step 5: Solve for x
    x = 29,889,776.11/5,980.89
  6. Step 6: Final answer
    x = 4,997.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.