Home / 6,714.10-9,265.56-3,919.60

Finding the Fourth Proportional to 6,714.10, 9,265.56 and 3,919.60

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Solution

The fourth proportional to 6,714.10, 9,265.56 and 3,919.60 is: 5,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.10 : 9,265.56 = 3,919.60 : x
  2. Step 2: Convert to fraction form
    6,714.10/9,265.56 = 3,919.60/x
  3. Step 3: Cross multiply
    6,714.10x = 9,265.56 × 3,919.60
  4. Step 4: Simplify right side
    6,714.10x = 36,317,288.98
  5. Step 5: Solve for x
    x = 36,317,288.98/6,714.10
  6. Step 6: Final answer
    x = 5,409.11

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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.