Home / 9,051.36-13,579.16-2,811.05

Finding the Fourth Proportional to 9,051.36, 13,579.16 and 2,811.05

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Solution

The fourth proportional to 9,051.36, 13,579.16 and 2,811.05 is: 4,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.36 : 13,579.16 = 2,811.05 : x
  2. Step 2: Convert to fraction form
    9,051.36/13,579.16 = 2,811.05/x
  3. Step 3: Cross multiply
    9,051.36x = 13,579.16 × 2,811.05
  4. Step 4: Simplify right side
    9,051.36x = 38,171,697.72
  5. Step 5: Solve for x
    x = 38,171,697.72/9,051.36
  6. Step 6: Final answer
    x = 4,217.23

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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.