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Finding the Fourth Proportional to 7,279.03, 10,918.53 and 2,281.44

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Solution

The fourth proportional to 7,279.03, 10,918.53 and 2,281.44 is: 3,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.03 : 10,918.53 = 2,281.44 : x
  2. Step 2: Convert to fraction form
    7,279.03/10,918.53 = 2,281.44/x
  3. Step 3: Cross multiply
    7,279.03x = 10,918.53 × 2,281.44
  4. Step 4: Simplify right side
    7,279.03x = 24,909,922.19
  5. Step 5: Solve for x
    x = 24,909,922.19/7,279.03
  6. Step 6: Final answer
    x = 3,422.15

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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.