Home / 9,326.58-13,989.90-3,780.03

Finding the Fourth Proportional to 9,326.58, 13,989.90 and 3,780.03

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Solution

The fourth proportional to 9,326.58, 13,989.90 and 3,780.03 is: 5,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.58 : 13,989.90 = 3,780.03 : x
  2. Step 2: Convert to fraction form
    9,326.58/13,989.90 = 3,780.03/x
  3. Step 3: Cross multiply
    9,326.58x = 13,989.90 × 3,780.03
  4. Step 4: Simplify right side
    9,326.58x = 52,882,241.70
  5. Step 5: Solve for x
    x = 52,882,241.70/9,326.58
  6. Step 6: Final answer
    x = 5,670.06

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1.5x scale

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.