Home / 6,415.10-9,604.90-3,288.36

Finding the Fourth Proportional to 6,415.10, 9,604.90 and 3,288.36

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Solution

The fourth proportional to 6,415.10, 9,604.90 and 3,288.36 is: 4,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.10 : 9,604.90 = 3,288.36 : x
  2. Step 2: Convert to fraction form
    6,415.10/9,604.90 = 3,288.36/x
  3. Step 3: Cross multiply
    6,415.10x = 9,604.90 × 3,288.36
  4. Step 4: Simplify right side
    6,415.10x = 31,584,368.96
  5. Step 5: Solve for x
    x = 31,584,368.96/6,415.10
  6. Step 6: Final answer
    x = 4,923.44

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1.5x scale

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.