Home / 7,986.53-11,972.85-3,303.62

Finding the Fourth Proportional to 7,986.53, 11,972.85 and 3,303.62

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Solution

The fourth proportional to 7,986.53, 11,972.85 and 3,303.62 is: 4,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.53 : 11,972.85 = 3,303.62 : x
  2. Step 2: Convert to fraction form
    7,986.53/11,972.85 = 3,303.62/x
  3. Step 3: Cross multiply
    7,986.53x = 11,972.85 × 3,303.62
  4. Step 4: Simplify right side
    7,986.53x = 39,553,746.72
  5. Step 5: Solve for x
    x = 39,553,746.72/7,986.53
  6. Step 6: Final answer
    x = 4,952.56

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1.5x scale

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.