Home / 9,582.45-14,375.70-2,918.40

Finding the Fourth Proportional to 9,582.45, 14,375.70 and 2,918.40

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Solution

The fourth proportional to 9,582.45, 14,375.70 and 2,918.40 is: 4,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,582.45 : 14,375.70 = 2,918.40 : x
  2. Step 2: Convert to fraction form
    9,582.45/14,375.70 = 2,918.40/x
  3. Step 3: Cross multiply
    9,582.45x = 14,375.70 × 2,918.40
  4. Step 4: Simplify right side
    9,582.45x = 41,954,042.88
  5. Step 5: Solve for x
    x = 41,954,042.88/9,582.45
  6. Step 6: Final answer
    x = 4,378.22

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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.