Home / 5,284.44-7,929.62-3,642.30

Finding the Fourth Proportional to 5,284.44, 7,929.62 and 3,642.30

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Solution

The fourth proportional to 5,284.44, 7,929.62 and 3,642.30 is: 5,465.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.44 : 7,929.62 = 3,642.30 : x
  2. Step 2: Convert to fraction form
    5,284.44/7,929.62 = 3,642.30/x
  3. Step 3: Cross multiply
    5,284.44x = 7,929.62 × 3,642.30
  4. Step 4: Simplify right side
    5,284.44x = 28,882,054.93
  5. Step 5: Solve for x
    x = 28,882,054.93/5,284.44
  6. Step 6: Final answer
    x = 5,465.49

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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.