Home / 9,403.47-14,106.33-2,828.70

Finding the Fourth Proportional to 9,403.47, 14,106.33 and 2,828.70

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Solution

The fourth proportional to 9,403.47, 14,106.33 and 2,828.70 is: 4,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.47 : 14,106.33 = 2,828.70 : x
  2. Step 2: Convert to fraction form
    9,403.47/14,106.33 = 2,828.70/x
  3. Step 3: Cross multiply
    9,403.47x = 14,106.33 × 2,828.70
  4. Step 4: Simplify right side
    9,403.47x = 39,902,575.67
  5. Step 5: Solve for x
    x = 39,902,575.67/9,403.47
  6. Step 6: Final answer
    x = 4,243.39

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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.