Home / 7,962.98-11,937.98-3,280.37

Finding the Fourth Proportional to 7,962.98, 11,937.98 and 3,280.37

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Solution

The fourth proportional to 7,962.98, 11,937.98 and 3,280.37 is: 4,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.98 : 11,937.98 = 3,280.37 : x
  2. Step 2: Convert to fraction form
    7,962.98/11,937.98 = 3,280.37/x
  3. Step 3: Cross multiply
    7,962.98x = 11,937.98 × 3,280.37
  4. Step 4: Simplify right side
    7,962.98x = 39,160,939.96
  5. Step 5: Solve for x
    x = 39,160,939.96/7,962.98
  6. Step 6: Final answer
    x = 4,917.88

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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.