Home / 7,968.49-10,996.48-4,431.72

Finding the Fourth Proportional to 7,968.49, 10,996.48 and 4,431.72

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Solution

The fourth proportional to 7,968.49, 10,996.48 and 4,431.72 is: 6,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.49 : 10,996.48 = 4,431.72 : x
  2. Step 2: Convert to fraction form
    7,968.49/10,996.48 = 4,431.72/x
  3. Step 3: Cross multiply
    7,968.49x = 10,996.48 × 4,431.72
  4. Step 4: Simplify right side
    7,968.49x = 48,733,320.35
  5. Step 5: Solve for x
    x = 48,733,320.35/7,968.49
  6. Step 6: Final answer
    x = 6,115.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.