Home / 5,280.20-7,288.26-3,043.67

Finding the Fourth Proportional to 5,280.20, 7,288.26 and 3,043.67

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Solution

The fourth proportional to 5,280.20, 7,288.26 and 3,043.67 is: 4,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.20 : 7,288.26 = 3,043.67 : x
  2. Step 2: Convert to fraction form
    5,280.20/7,288.26 = 3,043.67/x
  3. Step 3: Cross multiply
    5,280.20x = 7,288.26 × 3,043.67
  4. Step 4: Simplify right side
    5,280.20x = 22,183,058.31
  5. Step 5: Solve for x
    x = 22,183,058.31/5,280.20
  6. Step 6: Final answer
    x = 4,201.18

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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.