Home / 5,628.78-8,444.06-2,509.88

Finding the Fourth Proportional to 5,628.78, 8,444.06 and 2,509.88

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Solution

The fourth proportional to 5,628.78, 8,444.06 and 2,509.88 is: 3,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.78 : 8,444.06 = 2,509.88 : x
  2. Step 2: Convert to fraction form
    5,628.78/8,444.06 = 2,509.88/x
  3. Step 3: Cross multiply
    5,628.78x = 8,444.06 × 2,509.88
  4. Step 4: Simplify right side
    5,628.78x = 21,193,577.31
  5. Step 5: Solve for x
    x = 21,193,577.31/5,628.78
  6. Step 6: Final answer
    x = 3,765.22

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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.