Home / 6,788.40-10,181.64-2,405.28

Finding the Fourth Proportional to 6,788.40, 10,181.64 and 2,405.28

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Solution

The fourth proportional to 6,788.40, 10,181.64 and 2,405.28 is: 3,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.40 : 10,181.64 = 2,405.28 : x
  2. Step 2: Convert to fraction form
    6,788.40/10,181.64 = 2,405.28/x
  3. Step 3: Cross multiply
    6,788.40x = 10,181.64 × 2,405.28
  4. Step 4: Simplify right side
    6,788.40x = 24,489,695.06
  5. Step 5: Solve for x
    x = 24,489,695.06/6,788.40
  6. Step 6: Final answer
    x = 3,607.58

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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.