Home / 9,228.51-13,821.96-4,287.75

Finding the Fourth Proportional to 9,228.51, 13,821.96 and 4,287.75

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Solution

The fourth proportional to 9,228.51, 13,821.96 and 4,287.75 is: 6,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.51 : 13,821.96 = 4,287.75 : x
  2. Step 2: Convert to fraction form
    9,228.51/13,821.96 = 4,287.75/x
  3. Step 3: Cross multiply
    9,228.51x = 13,821.96 × 4,287.75
  4. Step 4: Simplify right side
    9,228.51x = 59,265,108.99
  5. Step 5: Solve for x
    x = 59,265,108.99/9,228.51
  6. Step 6: Final answer
    x = 6,421.96

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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.