Home / 4,679.32-6,455.23-2,789.82

Finding the Fourth Proportional to 4,679.32, 6,455.23 and 2,789.82

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Solution

The fourth proportional to 4,679.32, 6,455.23 and 2,789.82 is: 3,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.32 : 6,455.23 = 2,789.82 : x
  2. Step 2: Convert to fraction form
    4,679.32/6,455.23 = 2,789.82/x
  3. Step 3: Cross multiply
    4,679.32x = 6,455.23 × 2,789.82
  4. Step 4: Simplify right side
    4,679.32x = 18,008,929.76
  5. Step 5: Solve for x
    x = 18,008,929.76/4,679.32
  6. Step 6: Final answer
    x = 3,848.62

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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.