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Finding the Fourth Proportional to 4,651.08, 6,979.73 and 1,729.68

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Solution

The fourth proportional to 4,651.08, 6,979.73 and 1,729.68 is: 2,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.08 : 6,979.73 = 1,729.68 : x
  2. Step 2: Convert to fraction form
    4,651.08/6,979.73 = 1,729.68/x
  3. Step 3: Cross multiply
    4,651.08x = 6,979.73 × 1,729.68
  4. Step 4: Simplify right side
    4,651.08x = 12,072,690.74
  5. Step 5: Solve for x
    x = 12,072,690.74/4,651.08
  6. Step 6: Final answer
    x = 2,595.67

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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.