Home / 7,946.30-11,909.37-3,563.58

Finding the Fourth Proportional to 7,946.30, 11,909.37 and 3,563.58

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Solution

The fourth proportional to 7,946.30, 11,909.37 and 3,563.58 is: 5,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.30 : 11,909.37 = 3,563.58 : x
  2. Step 2: Convert to fraction form
    7,946.30/11,909.37 = 3,563.58/x
  3. Step 3: Cross multiply
    7,946.30x = 11,909.37 × 3,563.58
  4. Step 4: Simplify right side
    7,946.30x = 42,439,992.74
  5. Step 5: Solve for x
    x = 42,439,992.74/7,946.30
  6. Step 6: Final answer
    x = 5,340.85

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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.