Home / 9,327.07-13,990.65-3,780.52

Finding the Fourth Proportional to 9,327.07, 13,990.65 and 3,780.52

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Solution

The fourth proportional to 9,327.07, 13,990.65 and 3,780.52 is: 5,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.07 : 13,990.65 = 3,780.52 : x
  2. Step 2: Convert to fraction form
    9,327.07/13,990.65 = 3,780.52/x
  3. Step 3: Cross multiply
    9,327.07x = 13,990.65 × 3,780.52
  4. Step 4: Simplify right side
    9,327.07x = 52,891,932.14
  5. Step 5: Solve for x
    x = 52,891,932.14/9,327.07
  6. Step 6: Final answer
    x = 5,670.80

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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.