Home / 7,768.04-11,649.36-2,219.88

Finding the Fourth Proportional to 7,768.04, 11,649.36 and 2,219.88

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Solution

The fourth proportional to 7,768.04, 11,649.36 and 2,219.88 is: 3,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.04 : 11,649.36 = 2,219.88 : x
  2. Step 2: Convert to fraction form
    7,768.04/11,649.36 = 2,219.88/x
  3. Step 3: Cross multiply
    7,768.04x = 11,649.36 × 2,219.88
  4. Step 4: Simplify right side
    7,768.04x = 25,860,181.28
  5. Step 5: Solve for x
    x = 25,860,181.28/7,768.04
  6. Step 6: Final answer
    x = 3,329.05

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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.