Home / 5,285.85-7,299.37-3,957.25

Finding the Fourth Proportional to 5,285.85, 7,299.37 and 3,957.25

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Solution

The fourth proportional to 5,285.85, 7,299.37 and 3,957.25 is: 5,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.85 : 7,299.37 = 3,957.25 : x
  2. Step 2: Convert to fraction form
    5,285.85/7,299.37 = 3,957.25/x
  3. Step 3: Cross multiply
    5,285.85x = 7,299.37 × 3,957.25
  4. Step 4: Simplify right side
    5,285.85x = 28,885,395.44
  5. Step 5: Solve for x
    x = 28,885,395.44/5,285.85
  6. Step 6: Final answer
    x = 5,464.66

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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.