Home / 9,212.86-13,817.28-2,637.28

Finding the Fourth Proportional to 9,212.86, 13,817.28 and 2,637.28

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Solution

The fourth proportional to 9,212.86, 13,817.28 and 2,637.28 is: 3,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.86 : 13,817.28 = 2,637.28 : x
  2. Step 2: Convert to fraction form
    9,212.86/13,817.28 = 2,637.28/x
  3. Step 3: Cross multiply
    9,212.86x = 13,817.28 × 2,637.28
  4. Step 4: Simplify right side
    9,212.86x = 36,440,036.20
  5. Step 5: Solve for x
    x = 36,440,036.20/9,212.86
  6. Step 6: Final answer
    x = 3,955.34

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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.