Home / 5,409.84-8,118.12-3,463.44

Finding the Fourth Proportional to 5,409.84, 8,118.12 and 3,463.44

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Solution

The fourth proportional to 5,409.84, 8,118.12 and 3,463.44 is: 5,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.84 : 8,118.12 = 3,463.44 : x
  2. Step 2: Convert to fraction form
    5,409.84/8,118.12 = 3,463.44/x
  3. Step 3: Cross multiply
    5,409.84x = 8,118.12 × 3,463.44
  4. Step 4: Simplify right side
    5,409.84x = 28,116,621.53
  5. Step 5: Solve for x
    x = 28,116,621.53/5,409.84
  6. Step 6: Final answer
    x = 5,197.31

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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.