Home / 5,405.81-8,104.76-3,646.44

Finding the Fourth Proportional to 5,405.81, 8,104.76 and 3,646.44

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Solution

The fourth proportional to 5,405.81, 8,104.76 and 3,646.44 is: 5,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.81 : 8,104.76 = 3,646.44 : x
  2. Step 2: Convert to fraction form
    5,405.81/8,104.76 = 3,646.44/x
  3. Step 3: Cross multiply
    5,405.81x = 8,104.76 × 3,646.44
  4. Step 4: Simplify right side
    5,405.81x = 29,553,521.05
  5. Step 5: Solve for x
    x = 29,553,521.05/5,405.81
  6. Step 6: Final answer
    x = 5,466.99

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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.