Home / 6,520.10-9,762.87-3,394.58

Finding the Fourth Proportional to 6,520.10, 9,762.87 and 3,394.58

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Solution

The fourth proportional to 6,520.10, 9,762.87 and 3,394.58 is: 5,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.10 : 9,762.87 = 3,394.58 : x
  2. Step 2: Convert to fraction form
    6,520.10/9,762.87 = 3,394.58/x
  3. Step 3: Cross multiply
    6,520.10x = 9,762.87 × 3,394.58
  4. Step 4: Simplify right side
    6,520.10x = 33,140,843.24
  5. Step 5: Solve for x
    x = 33,140,843.24/6,520.10
  6. Step 6: Final answer
    x = 5,082.87

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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.