Home / 9,478.64-14,218.61-2,909.41

Finding the Fourth Proportional to 9,478.64, 14,218.61 and 2,909.41

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Solution

The fourth proportional to 9,478.64, 14,218.61 and 2,909.41 is: 4,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.64 : 14,218.61 = 2,909.41 : x
  2. Step 2: Convert to fraction form
    9,478.64/14,218.61 = 2,909.41/x
  3. Step 3: Cross multiply
    9,478.64x = 14,218.61 × 2,909.41
  4. Step 4: Simplify right side
    9,478.64x = 41,367,716.03
  5. Step 5: Solve for x
    x = 41,367,716.03/9,478.64
  6. Step 6: Final answer
    x = 4,364.31

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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.