Home / 7,968.08-10,996.80-4,431.62

Finding the Fourth Proportional to 7,968.08, 10,996.80 and 4,431.62

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Solution

The fourth proportional to 7,968.08, 10,996.80 and 4,431.62 is: 6,116.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.08 : 10,996.80 = 4,431.62 : x
  2. Step 2: Convert to fraction form
    7,968.08/10,996.80 = 4,431.62/x
  3. Step 3: Cross multiply
    7,968.08x = 10,996.80 × 4,431.62
  4. Step 4: Simplify right side
    7,968.08x = 48,733,649.69
  5. Step 5: Solve for x
    x = 48,733,649.69/7,968.08
  6. Step 6: Final answer
    x = 6,116.11

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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.