Home / 9,538.60-14,310.88-4,278.02

Finding the Fourth Proportional to 9,538.60, 14,310.88 and 4,278.02

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Solution

The fourth proportional to 9,538.60, 14,310.88 and 4,278.02 is: 6,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.60 : 14,310.88 = 4,278.02 : x
  2. Step 2: Convert to fraction form
    9,538.60/14,310.88 = 4,278.02/x
  3. Step 3: Cross multiply
    9,538.60x = 14,310.88 × 4,278.02
  4. Step 4: Simplify right side
    9,538.60x = 61,222,230.86
  5. Step 5: Solve for x
    x = 61,222,230.86/9,538.60
  6. Step 6: Final answer
    x = 6,418.37

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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.