Home / 5,391.84-7,439.61-3,153.27

Finding the Fourth Proportional to 5,391.84, 7,439.61 and 3,153.27

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Solution

The fourth proportional to 5,391.84, 7,439.61 and 3,153.27 is: 4,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.84 : 7,439.61 = 3,153.27 : x
  2. Step 2: Convert to fraction form
    5,391.84/7,439.61 = 3,153.27/x
  3. Step 3: Cross multiply
    5,391.84x = 7,439.61 × 3,153.27
  4. Step 4: Simplify right side
    5,391.84x = 23,459,099.02
  5. Step 5: Solve for x
    x = 23,459,099.02/5,391.84
  6. Step 6: Final answer
    x = 4,350.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.