Home / 8,270.12-11,412.78-4,493.25

Finding the Fourth Proportional to 8,270.12, 11,412.78 and 4,493.25

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Solution

The fourth proportional to 8,270.12, 11,412.78 and 4,493.25 is: 6,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.12 : 11,412.78 = 4,493.25 : x
  2. Step 2: Convert to fraction form
    8,270.12/11,412.78 = 4,493.25/x
  3. Step 3: Cross multiply
    8,270.12x = 11,412.78 × 4,493.25
  4. Step 4: Simplify right side
    8,270.12x = 51,280,394.20
  5. Step 5: Solve for x
    x = 51,280,394.20/8,270.12
  6. Step 6: Final answer
    x = 6,200.69

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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.