Home / 4,850.08-7,279.20-1,930.40

Finding the Fourth Proportional to 4,850.08, 7,279.20 and 1,930.40

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Solution

The fourth proportional to 4,850.08, 7,279.20 and 1,930.40 is: 2,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.08 : 7,279.20 = 1,930.40 : x
  2. Step 2: Convert to fraction form
    4,850.08/7,279.20 = 1,930.40/x
  3. Step 3: Cross multiply
    4,850.08x = 7,279.20 × 1,930.40
  4. Step 4: Simplify right side
    4,850.08x = 14,051,767.68
  5. Step 5: Solve for x
    x = 14,051,767.68/4,850.08
  6. Step 6: Final answer
    x = 2,897.22

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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.