Home / 4,311.72-6,464.70-2,117.52

Finding the Fourth Proportional to 4,311.72, 6,464.70 and 2,117.52

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Solution

The fourth proportional to 4,311.72, 6,464.70 and 2,117.52 is: 3,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.72 : 6,464.70 = 2,117.52 : x
  2. Step 2: Convert to fraction form
    4,311.72/6,464.70 = 2,117.52/x
  3. Step 3: Cross multiply
    4,311.72x = 6,464.70 × 2,117.52
  4. Step 4: Simplify right side
    4,311.72x = 13,689,131.54
  5. Step 5: Solve for x
    x = 13,689,131.54/4,311.72
  6. Step 6: Final answer
    x = 3,174.87

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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.