Home / 5,395.85-7,450.49-4,220.27

Finding the Fourth Proportional to 5,395.85, 7,450.49 and 4,220.27

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Solution

The fourth proportional to 5,395.85, 7,450.49 and 4,220.27 is: 5,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.85 : 7,450.49 = 4,220.27 : x
  2. Step 2: Convert to fraction form
    5,395.85/7,450.49 = 4,220.27/x
  3. Step 3: Cross multiply
    5,395.85x = 7,450.49 × 4,220.27
  4. Step 4: Simplify right side
    5,395.85x = 31,443,056.77
  5. Step 5: Solve for x
    x = 31,443,056.77/5,395.85
  6. Step 6: Final answer
    x = 5,827.27

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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.