Home / 9,051.48-13,579.34-2,811.18

Finding the Fourth Proportional to 9,051.48, 13,579.34 and 2,811.18

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Solution

The fourth proportional to 9,051.48, 13,579.34 and 2,811.18 is: 4,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.48 : 13,579.34 = 2,811.18 : x
  2. Step 2: Convert to fraction form
    9,051.48/13,579.34 = 2,811.18/x
  3. Step 3: Cross multiply
    9,051.48x = 13,579.34 × 2,811.18
  4. Step 4: Simplify right side
    9,051.48x = 38,173,969.02
  5. Step 5: Solve for x
    x = 38,173,969.02/9,051.48
  6. Step 6: Final answer
    x = 4,217.43

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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.