Home / 5,289.30-7,291.50-4,028.22

Finding the Fourth Proportional to 5,289.30, 7,291.50 and 4,028.22

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Solution

The fourth proportional to 5,289.30, 7,291.50 and 4,028.22 is: 5,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.30 : 7,291.50 = 4,028.22 : x
  2. Step 2: Convert to fraction form
    5,289.30/7,291.50 = 4,028.22/x
  3. Step 3: Cross multiply
    5,289.30x = 7,291.50 × 4,028.22
  4. Step 4: Simplify right side
    5,289.30x = 29,371,766.13
  5. Step 5: Solve for x
    x = 29,371,766.13/5,289.30
  6. Step 6: Final answer
    x = 5,553.05

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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.