Home / 5,439.79-7,506.87-3,201.67

Finding the Fourth Proportional to 5,439.79, 7,506.87 and 3,201.67

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Solution

The fourth proportional to 5,439.79, 7,506.87 and 3,201.67 is: 4,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.79 : 7,506.87 = 3,201.67 : x
  2. Step 2: Convert to fraction form
    5,439.79/7,506.87 = 3,201.67/x
  3. Step 3: Cross multiply
    5,439.79x = 7,506.87 × 3,201.67
  4. Step 4: Simplify right side
    5,439.79x = 24,034,520.47
  5. Step 5: Solve for x
    x = 24,034,520.47/5,439.79
  6. Step 6: Final answer
    x = 4,418.28

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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.