Home / 7,399.75-11,099.68-1,853.12

Finding the Fourth Proportional to 7,399.75, 11,099.68 and 1,853.12

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Solution

The fourth proportional to 7,399.75, 11,099.68 and 1,853.12 is: 2,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.75 : 11,099.68 = 1,853.12 : x
  2. Step 2: Convert to fraction form
    7,399.75/11,099.68 = 1,853.12/x
  3. Step 3: Cross multiply
    7,399.75x = 11,099.68 × 1,853.12
  4. Step 4: Simplify right side
    7,399.75x = 20,569,039.00
  5. Step 5: Solve for x
    x = 20,569,039.00/7,399.75
  6. Step 6: Final answer
    x = 2,779.69

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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.