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Finding the Fourth Proportional to 7,479.04, 11,219.88 and 3,094.04

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Solution

The fourth proportional to 7,479.04, 11,219.88 and 3,094.04 is: 4,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.04 : 11,219.88 = 3,094.04 : x
  2. Step 2: Convert to fraction form
    7,479.04/11,219.88 = 3,094.04/x
  3. Step 3: Cross multiply
    7,479.04x = 11,219.88 × 3,094.04
  4. Step 4: Simplify right side
    7,479.04x = 34,714,757.52
  5. Step 5: Solve for x
    x = 34,714,757.52/7,479.04
  6. Step 6: Final answer
    x = 4,641.61

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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.