Home / 9,455.76-14,182.78-3,219.28

Finding the Fourth Proportional to 9,455.76, 14,182.78 and 3,219.28

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Solution

The fourth proportional to 9,455.76, 14,182.78 and 3,219.28 is: 4,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.76 : 14,182.78 = 3,219.28 : x
  2. Step 2: Convert to fraction form
    9,455.76/14,182.78 = 3,219.28/x
  3. Step 3: Cross multiply
    9,455.76x = 14,182.78 × 3,219.28
  4. Step 4: Simplify right side
    9,455.76x = 45,658,340.00
  5. Step 5: Solve for x
    x = 45,658,340.00/9,455.76
  6. Step 6: Final answer
    x = 4,828.63

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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.