Home / 6,984.43-10,447.35-6,459.55

Finding the Fourth Proportional to 6,984.43, 10,447.35 and 6,459.55

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Solution

The fourth proportional to 6,984.43, 10,447.35 and 6,459.55 is: 9,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.43 : 10,447.35 = 6,459.55 : x
  2. Step 2: Convert to fraction form
    6,984.43/10,447.35 = 6,459.55/x
  3. Step 3: Cross multiply
    6,984.43x = 10,447.35 × 6,459.55
  4. Step 4: Simplify right side
    6,984.43x = 67,485,179.69
  5. Step 5: Solve for x
    x = 67,485,179.69/6,984.43
  6. Step 6: Final answer
    x = 9,662.23

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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.