Home / 6,884.13-9,497.88-3,899.69

Finding the Fourth Proportional to 6,884.13, 9,497.88 and 3,899.69

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Solution

The fourth proportional to 6,884.13, 9,497.88 and 3,899.69 is: 5,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.13 : 9,497.88 = 3,899.69 : x
  2. Step 2: Convert to fraction form
    6,884.13/9,497.88 = 3,899.69/x
  3. Step 3: Cross multiply
    6,884.13x = 9,497.88 × 3,899.69
  4. Step 4: Simplify right side
    6,884.13x = 37,038,740.17
  5. Step 5: Solve for x
    x = 37,038,740.17/6,884.13
  6. Step 6: Final answer
    x = 5,380.31

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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.