Home / 5,905.30-8,854.92-2,619.40

Finding the Fourth Proportional to 5,905.30, 8,854.92 and 2,619.40

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Solution

The fourth proportional to 5,905.30, 8,854.92 and 2,619.40 is: 3,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.30 : 8,854.92 = 2,619.40 : x
  2. Step 2: Convert to fraction form
    5,905.30/8,854.92 = 2,619.40/x
  3. Step 3: Cross multiply
    5,905.30x = 8,854.92 × 2,619.40
  4. Step 4: Simplify right side
    5,905.30x = 23,194,577.45
  5. Step 5: Solve for x
    x = 23,194,577.45/5,905.30
  6. Step 6: Final answer
    x = 3,927.76

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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.