Home / 7,980.62-11,970.72-2,433.74

Finding the Fourth Proportional to 7,980.62, 11,970.72 and 2,433.74

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Solution

The fourth proportional to 7,980.62, 11,970.72 and 2,433.74 is: 3,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.62 : 11,970.72 = 2,433.74 : x
  2. Step 2: Convert to fraction form
    7,980.62/11,970.72 = 2,433.74/x
  3. Step 3: Cross multiply
    7,980.62x = 11,970.72 × 2,433.74
  4. Step 4: Simplify right side
    7,980.62x = 29,133,560.24
  5. Step 5: Solve for x
    x = 29,133,560.24/7,980.62
  6. Step 6: Final answer
    x = 3,650.54

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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.