Home / 5,459.71-8,188.76-2,685.64

Finding the Fourth Proportional to 5,459.71, 8,188.76 and 2,685.64

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Solution

The fourth proportional to 5,459.71, 8,188.76 and 2,685.64 is: 4,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.71 : 8,188.76 = 2,685.64 : x
  2. Step 2: Convert to fraction form
    5,459.71/8,188.76 = 2,685.64/x
  3. Step 3: Cross multiply
    5,459.71x = 8,188.76 × 2,685.64
  4. Step 4: Simplify right side
    5,459.71x = 21,992,007.03
  5. Step 5: Solve for x
    x = 21,992,007.03/5,459.71
  6. Step 6: Final answer
    x = 4,028.06

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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.