Home / 6,340.26-9,507.15-3,380.40

Finding the Fourth Proportional to 6,340.26, 9,507.15 and 3,380.40

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Solution

The fourth proportional to 6,340.26, 9,507.15 and 3,380.40 is: 5,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.26 : 9,507.15 = 3,380.40 : x
  2. Step 2: Convert to fraction form
    6,340.26/9,507.15 = 3,380.40/x
  3. Step 3: Cross multiply
    6,340.26x = 9,507.15 × 3,380.40
  4. Step 4: Simplify right side
    6,340.26x = 32,137,969.86
  5. Step 5: Solve for x
    x = 32,137,969.86/6,340.26
  6. Step 6: Final answer
    x = 5,068.87

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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.