Home / 8,953.43-13,430.37-2,379.62

Finding the Fourth Proportional to 8,953.43, 13,430.37 and 2,379.62

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Solution

The fourth proportional to 8,953.43, 13,430.37 and 2,379.62 is: 3,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.43 : 13,430.37 = 2,379.62 : x
  2. Step 2: Convert to fraction form
    8,953.43/13,430.37 = 2,379.62/x
  3. Step 3: Cross multiply
    8,953.43x = 13,430.37 × 2,379.62
  4. Step 4: Simplify right side
    8,953.43x = 31,959,109.91
  5. Step 5: Solve for x
    x = 31,959,109.91/8,953.43
  6. Step 6: Final answer
    x = 3,569.48

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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.