Home / 4,679.73-6,455.16-3,188.32

Finding the Fourth Proportional to 4,679.73, 6,455.16 and 3,188.32

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Solution

The fourth proportional to 4,679.73, 6,455.16 and 3,188.32 is: 4,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.73 : 6,455.16 = 3,188.32 : x
  2. Step 2: Convert to fraction form
    4,679.73/6,455.16 = 3,188.32/x
  3. Step 3: Cross multiply
    4,679.73x = 6,455.16 × 3,188.32
  4. Step 4: Simplify right side
    4,679.73x = 20,581,099.59
  5. Step 5: Solve for x
    x = 20,581,099.59/4,679.73
  6. Step 6: Final answer
    x = 4,397.92

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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.