Home / 5,521.36-8,284.82-3,440.84

Finding the Fourth Proportional to 5,521.36, 8,284.82 and 3,440.84

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Solution

The fourth proportional to 5,521.36, 8,284.82 and 3,440.84 is: 5,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.36 : 8,284.82 = 3,440.84 : x
  2. Step 2: Convert to fraction form
    5,521.36/8,284.82 = 3,440.84/x
  3. Step 3: Cross multiply
    5,521.36x = 8,284.82 × 3,440.84
  4. Step 4: Simplify right side
    5,521.36x = 28,506,740.05
  5. Step 5: Solve for x
    x = 28,506,740.05/5,521.36
  6. Step 6: Final answer
    x = 5,162.99

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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.