Home / 6,969.20-10,435.98-3,845.74

Finding the Fourth Proportional to 6,969.20, 10,435.98 and 3,845.74

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Solution

The fourth proportional to 6,969.20, 10,435.98 and 3,845.74 is: 5,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.20 : 10,435.98 = 3,845.74 : x
  2. Step 2: Convert to fraction form
    6,969.20/10,435.98 = 3,845.74/x
  3. Step 3: Cross multiply
    6,969.20x = 10,435.98 × 3,845.74
  4. Step 4: Simplify right side
    6,969.20x = 40,134,061.26
  5. Step 5: Solve for x
    x = 40,134,061.26/6,969.20
  6. Step 6: Final answer
    x = 5,758.77

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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.