Home / 4,712.64-6,504.96-3,390.19

Finding the Fourth Proportional to 4,712.64, 6,504.96 and 3,390.19

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Solution

The fourth proportional to 4,712.64, 6,504.96 and 3,390.19 is: 4,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.64 : 6,504.96 = 3,390.19 : x
  2. Step 2: Convert to fraction form
    4,712.64/6,504.96 = 3,390.19/x
  3. Step 3: Cross multiply
    4,712.64x = 6,504.96 × 3,390.19
  4. Step 4: Simplify right side
    4,712.64x = 22,053,046.79
  5. Step 5: Solve for x
    x = 22,053,046.79/4,712.64
  6. Step 6: Final answer
    x = 4,679.56

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