Home / 8,260.85-12,374.64-3,812.27

Finding the Fourth Proportional to 8,260.85, 12,374.64 and 3,812.27

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Solution

The fourth proportional to 8,260.85, 12,374.64 and 3,812.27 is: 5,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.85 : 12,374.64 = 3,812.27 : x
  2. Step 2: Convert to fraction form
    8,260.85/12,374.64 = 3,812.27/x
  3. Step 3: Cross multiply
    8,260.85x = 12,374.64 × 3,812.27
  4. Step 4: Simplify right side
    8,260.85x = 47,175,406.96
  5. Step 5: Solve for x
    x = 47,175,406.96/8,260.85
  6. Step 6: Final answer
    x = 5,710.72

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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.