Home / 9,479.04-14,220.64-2,905.72

Finding the Fourth Proportional to 9,479.04, 14,220.64 and 2,905.72

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Solution

The fourth proportional to 9,479.04, 14,220.64 and 2,905.72 is: 4,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.04 : 14,220.64 = 2,905.72 : x
  2. Step 2: Convert to fraction form
    9,479.04/14,220.64 = 2,905.72/x
  3. Step 3: Cross multiply
    9,479.04x = 14,220.64 × 2,905.72
  4. Step 4: Simplify right side
    9,479.04x = 41,321,198.06
  5. Step 5: Solve for x
    x = 41,321,198.06/9,479.04
  6. Step 6: Final answer
    x = 4,359.22

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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.