Home / 9,281.28-13,923.36-3,039.36

Finding the Fourth Proportional to 9,281.28, 13,923.36 and 3,039.36

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Solution

The fourth proportional to 9,281.28, 13,923.36 and 3,039.36 is: 4,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.28 : 13,923.36 = 3,039.36 : x
  2. Step 2: Convert to fraction form
    9,281.28/13,923.36 = 3,039.36/x
  3. Step 3: Cross multiply
    9,281.28x = 13,923.36 × 3,039.36
  4. Step 4: Simplify right side
    9,281.28x = 42,318,103.45
  5. Step 5: Solve for x
    x = 42,318,103.45/9,281.28
  6. Step 6: Final answer
    x = 4,559.51

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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.