Home / 5,124.96-7,682.31-3,278.16

Finding the Fourth Proportional to 5,124.96, 7,682.31 and 3,278.16

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Solution

The fourth proportional to 5,124.96, 7,682.31 and 3,278.16 is: 4,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.96 : 7,682.31 = 3,278.16 : x
  2. Step 2: Convert to fraction form
    5,124.96/7,682.31 = 3,278.16/x
  3. Step 3: Cross multiply
    5,124.96x = 7,682.31 × 3,278.16
  4. Step 4: Simplify right side
    5,124.96x = 25,183,841.35
  5. Step 5: Solve for x
    x = 25,183,841.35/5,124.96
  6. Step 6: Final answer
    x = 4,913.96

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1.5x scale

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.