Home / 4,310.37-6,465.09-1,388.43

Finding the Fourth Proportional to 4,310.37, 6,465.09 and 1,388.43

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Solution

The fourth proportional to 4,310.37, 6,465.09 and 1,388.43 is: 2,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.37 : 6,465.09 = 1,388.43 : x
  2. Step 2: Convert to fraction form
    4,310.37/6,465.09 = 1,388.43/x
  3. Step 3: Cross multiply
    4,310.37x = 6,465.09 × 1,388.43
  4. Step 4: Simplify right side
    4,310.37x = 8,976,324.91
  5. Step 5: Solve for x
    x = 8,976,324.91/4,310.37
  6. Step 6: Final answer
    x = 2,082.50

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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.