Home / 5,450.02-8,156.80-4,791.49

Finding the Fourth Proportional to 5,450.02, 8,156.80 and 4,791.49

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Solution

The fourth proportional to 5,450.02, 8,156.80 and 4,791.49 is: 7,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.02 : 8,156.80 = 4,791.49 : x
  2. Step 2: Convert to fraction form
    5,450.02/8,156.80 = 4,791.49/x
  3. Step 3: Cross multiply
    5,450.02x = 8,156.80 × 4,791.49
  4. Step 4: Simplify right side
    5,450.02x = 39,083,225.63
  5. Step 5: Solve for x
    x = 39,083,225.63/5,450.02
  6. Step 6: Final answer
    x = 7,171.21

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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.