Home / 6,621.48-9,137.93-3,788.87

Finding the Fourth Proportional to 6,621.48, 9,137.93 and 3,788.87

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Solution

The fourth proportional to 6,621.48, 9,137.93 and 3,788.87 is: 5,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.48 : 9,137.93 = 3,788.87 : x
  2. Step 2: Convert to fraction form
    6,621.48/9,137.93 = 3,788.87/x
  3. Step 3: Cross multiply
    6,621.48x = 9,137.93 × 3,788.87
  4. Step 4: Simplify right side
    6,621.48x = 34,622,364.21
  5. Step 5: Solve for x
    x = 34,622,364.21/6,621.48
  6. Step 6: Final answer
    x = 5,228.80

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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.