Home / 6,711.26-9,254.78-5,218.64

Finding the Fourth Proportional to 6,711.26, 9,254.78 and 5,218.64

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Solution

The fourth proportional to 6,711.26, 9,254.78 and 5,218.64 is: 7,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,711.26 : 9,254.78 = 5,218.64 : x
  2. Step 2: Convert to fraction form
    6,711.26/9,254.78 = 5,218.64/x
  3. Step 3: Cross multiply
    6,711.26x = 9,254.78 × 5,218.64
  4. Step 4: Simplify right side
    6,711.26x = 48,297,365.10
  5. Step 5: Solve for x
    x = 48,297,365.10/6,711.26
  6. Step 6: Final answer
    x = 7,196.47

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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.