Home / 6,619.44-9,931.73-2,919.04

Finding the Fourth Proportional to 6,619.44, 9,931.73 and 2,919.04

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Solution

The fourth proportional to 6,619.44, 9,931.73 and 2,919.04 is: 4,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.44 : 9,931.73 = 2,919.04 : x
  2. Step 2: Convert to fraction form
    6,619.44/9,931.73 = 2,919.04/x
  3. Step 3: Cross multiply
    6,619.44x = 9,931.73 × 2,919.04
  4. Step 4: Simplify right side
    6,619.44x = 28,991,117.14
  5. Step 5: Solve for x
    x = 28,991,117.14/6,619.44
  6. Step 6: Final answer
    x = 4,379.69

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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.