Home / 5,463.84-8,190.72-2,176.32

Finding the Fourth Proportional to 5,463.84, 8,190.72 and 2,176.32

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Solution

The fourth proportional to 5,463.84, 8,190.72 and 2,176.32 is: 3,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.84 : 8,190.72 = 2,176.32 : x
  2. Step 2: Convert to fraction form
    5,463.84/8,190.72 = 2,176.32/x
  3. Step 3: Cross multiply
    5,463.84x = 8,190.72 × 2,176.32
  4. Step 4: Simplify right side
    5,463.84x = 17,825,627.75
  5. Step 5: Solve for x
    x = 17,825,627.75/5,463.84
  6. Step 6: Final answer
    x = 3,262.47

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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.