Home / 9,403.79-14,105.97-2,830.02

Finding the Fourth Proportional to 9,403.79, 14,105.97 and 2,830.02

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Solution

The fourth proportional to 9,403.79, 14,105.97 and 2,830.02 is: 4,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.79 : 14,105.97 = 2,830.02 : x
  2. Step 2: Convert to fraction form
    9,403.79/14,105.97 = 2,830.02/x
  3. Step 3: Cross multiply
    9,403.79x = 14,105.97 × 2,830.02
  4. Step 4: Simplify right side
    9,403.79x = 39,920,177.22
  5. Step 5: Solve for x
    x = 39,920,177.22/9,403.79
  6. Step 6: Final answer
    x = 4,245.12

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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.