Home / 10,477.91-15,716.84-3,082.35

Finding the Fourth Proportional to 10,477.91, 15,716.84 and 3,082.35

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Solution

The fourth proportional to 10,477.91, 15,716.84 and 3,082.35 is: 4,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.91 : 15,716.84 = 3,082.35 : x
  2. Step 2: Convert to fraction form
    10,477.91/15,716.84 = 3,082.35/x
  3. Step 3: Cross multiply
    10,477.91x = 15,716.84 × 3,082.35
  4. Step 4: Simplify right side
    10,477.91x = 48,444,845.30
  5. Step 5: Solve for x
    x = 48,444,845.30/10,477.91
  6. Step 6: Final answer
    x = 4,623.52

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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.