Home / 8,305.30-11,458.57-4,719.84

Finding the Fourth Proportional to 8,305.30, 11,458.57 and 4,719.84

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Solution

The fourth proportional to 8,305.30, 11,458.57 and 4,719.84 is: 6,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.30 : 11,458.57 = 4,719.84 : x
  2. Step 2: Convert to fraction form
    8,305.30/11,458.57 = 4,719.84/x
  3. Step 3: Cross multiply
    8,305.30x = 11,458.57 × 4,719.84
  4. Step 4: Simplify right side
    8,305.30x = 54,082,617.03
  5. Step 5: Solve for x
    x = 54,082,617.03/8,305.30
  6. Step 6: Final answer
    x = 6,511.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.