Home / 6,342.07-9,515.84-3,419.70

Finding the Fourth Proportional to 6,342.07, 9,515.84 and 3,419.70

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Solution

The fourth proportional to 6,342.07, 9,515.84 and 3,419.70 is: 5,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.07 : 9,515.84 = 3,419.70 : x
  2. Step 2: Convert to fraction form
    6,342.07/9,515.84 = 3,419.70/x
  3. Step 3: Cross multiply
    6,342.07x = 9,515.84 × 3,419.70
  4. Step 4: Simplify right side
    6,342.07x = 32,541,318.05
  5. Step 5: Solve for x
    x = 32,541,318.05/6,342.07
  6. Step 6: Final answer
    x = 5,131.02

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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.