Home / 9,127.39-13,682.31-3,578.89

Finding the Fourth Proportional to 9,127.39, 13,682.31 and 3,578.89

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Solution

The fourth proportional to 9,127.39, 13,682.31 and 3,578.89 is: 5,364.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.39 : 13,682.31 = 3,578.89 : x
  2. Step 2: Convert to fraction form
    9,127.39/13,682.31 = 3,578.89/x
  3. Step 3: Cross multiply
    9,127.39x = 13,682.31 × 3,578.89
  4. Step 4: Simplify right side
    9,127.39x = 48,967,482.44
  5. Step 5: Solve for x
    x = 48,967,482.44/9,127.39
  6. Step 6: Final answer
    x = 5,364.89

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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.