Home / 5,021.91-7,525.23-3,977.55

Finding the Fourth Proportional to 5,021.91, 7,525.23 and 3,977.55

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Solution

The fourth proportional to 5,021.91, 7,525.23 and 3,977.55 is: 5,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.91 : 7,525.23 = 3,977.55 : x
  2. Step 2: Convert to fraction form
    5,021.91/7,525.23 = 3,977.55/x
  3. Step 3: Cross multiply
    5,021.91x = 7,525.23 × 3,977.55
  4. Step 4: Simplify right side
    5,021.91x = 29,931,978.59
  5. Step 5: Solve for x
    x = 29,931,978.59/5,021.91
  6. Step 6: Final answer
    x = 5,960.28

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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.