Home / 9,430.57-14,145.94-2,857.27

Finding the Fourth Proportional to 9,430.57, 14,145.94 and 2,857.27

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Solution

The fourth proportional to 9,430.57, 14,145.94 and 2,857.27 is: 4,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.57 : 14,145.94 = 2,857.27 : x
  2. Step 2: Convert to fraction form
    9,430.57/14,145.94 = 2,857.27/x
  3. Step 3: Cross multiply
    9,430.57x = 14,145.94 × 2,857.27
  4. Step 4: Simplify right side
    9,430.57x = 40,418,755.70
  5. Step 5: Solve for x
    x = 40,418,755.70/9,430.57
  6. Step 6: Final answer
    x = 4,285.93

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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.