Home / 7,910.28-10,903.62-6,229.02

Finding the Fourth Proportional to 7,910.28, 10,903.62 and 6,229.02

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Solution

The fourth proportional to 7,910.28, 10,903.62 and 6,229.02 is: 8,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.28 : 10,903.62 = 6,229.02 : x
  2. Step 2: Convert to fraction form
    7,910.28/10,903.62 = 6,229.02/x
  3. Step 3: Cross multiply
    7,910.28x = 10,903.62 × 6,229.02
  4. Step 4: Simplify right side
    7,910.28x = 67,918,867.05
  5. Step 5: Solve for x
    x = 67,918,867.05/7,910.28
  6. Step 6: Final answer
    x = 8,586.15

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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.