Home / 7,479.76-11,219.68-3,094.84

Finding the Fourth Proportional to 7,479.76, 11,219.68 and 3,094.84

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Solution

The fourth proportional to 7,479.76, 11,219.68 and 3,094.84 is: 4,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.76 : 11,219.68 = 3,094.84 : x
  2. Step 2: Convert to fraction form
    7,479.76/11,219.68 = 3,094.84/x
  3. Step 3: Cross multiply
    7,479.76x = 11,219.68 × 3,094.84
  4. Step 4: Simplify right side
    7,479.76x = 34,723,114.45
  5. Step 5: Solve for x
    x = 34,723,114.45/7,479.76
  6. Step 6: Final answer
    x = 4,642.28

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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.