Home / 5,450.13-8,127.33-5,403.21

Finding the Fourth Proportional to 5,450.13, 8,127.33 and 5,403.21

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Solution

The fourth proportional to 5,450.13, 8,127.33 and 5,403.21 is: 8,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.13 : 8,127.33 = 5,403.21 : x
  2. Step 2: Convert to fraction form
    5,450.13/8,127.33 = 5,403.21/x
  3. Step 3: Cross multiply
    5,450.13x = 8,127.33 × 5,403.21
  4. Step 4: Simplify right side
    5,450.13x = 43,913,670.73
  5. Step 5: Solve for x
    x = 43,913,670.73/5,450.13
  6. Step 6: Final answer
    x = 8,057.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.