Home / 8,276.82-12,403.08-6,187.02

Finding the Fourth Proportional to 8,276.82, 12,403.08 and 6,187.02

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Solution

The fourth proportional to 8,276.82, 12,403.08 and 6,187.02 is: 9,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.82 : 12,403.08 = 6,187.02 : x
  2. Step 2: Convert to fraction form
    8,276.82/12,403.08 = 6,187.02/x
  3. Step 3: Cross multiply
    8,276.82x = 12,403.08 × 6,187.02
  4. Step 4: Simplify right side
    8,276.82x = 76,738,104.02
  5. Step 5: Solve for x
    x = 76,738,104.02/8,276.82
  6. Step 6: Final answer
    x = 9,271.45

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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.