Home / 9,405.40-14,102.70-2,830.60

Finding the Fourth Proportional to 9,405.40, 14,102.70 and 2,830.60

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Solution

The fourth proportional to 9,405.40, 14,102.70 and 2,830.60 is: 4,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.40 : 14,102.70 = 2,830.60 : x
  2. Step 2: Convert to fraction form
    9,405.40/14,102.70 = 2,830.60/x
  3. Step 3: Cross multiply
    9,405.40x = 14,102.70 × 2,830.60
  4. Step 4: Simplify right side
    9,405.40x = 39,919,102.62
  5. Step 5: Solve for x
    x = 39,919,102.62/9,405.40
  6. Step 6: Final answer
    x = 4,244.27

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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.