Home / 4,311.16-6,467.34-1,388.48

Finding the Fourth Proportional to 4,311.16, 6,467.34 and 1,388.48

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Solution

The fourth proportional to 4,311.16, 6,467.34 and 1,388.48 is: 2,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.16 : 6,467.34 = 1,388.48 : x
  2. Step 2: Convert to fraction form
    4,311.16/6,467.34 = 1,388.48/x
  3. Step 3: Cross multiply
    4,311.16x = 6,467.34 × 1,388.48
  4. Step 4: Simplify right side
    4,311.16x = 8,979,772.24
  5. Step 5: Solve for x
    x = 8,979,772.24/4,311.16
  6. Step 6: Final answer
    x = 2,082.91

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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.