Home / 4,499.61-6,749.85-1,379.58

Finding the Fourth Proportional to 4,499.61, 6,749.85 and 1,379.58

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Solution

The fourth proportional to 4,499.61, 6,749.85 and 1,379.58 is: 2,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.61 : 6,749.85 = 1,379.58 : x
  2. Step 2: Convert to fraction form
    4,499.61/6,749.85 = 1,379.58/x
  3. Step 3: Cross multiply
    4,499.61x = 6,749.85 × 1,379.58
  4. Step 4: Simplify right side
    4,499.61x = 9,311,958.06
  5. Step 5: Solve for x
    x = 9,311,958.06/4,499.61
  6. Step 6: Final answer
    x = 2,069.50

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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.