Home / 8,326.32-12,485.26-2,777.68

Finding the Fourth Proportional to 8,326.32, 12,485.26 and 2,777.68

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Solution

The fourth proportional to 8,326.32, 12,485.26 and 2,777.68 is: 4,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.32 : 12,485.26 = 2,777.68 : x
  2. Step 2: Convert to fraction form
    8,326.32/12,485.26 = 2,777.68/x
  3. Step 3: Cross multiply
    8,326.32x = 12,485.26 × 2,777.68
  4. Step 4: Simplify right side
    8,326.32x = 34,680,057.00
  5. Step 5: Solve for x
    x = 34,680,057.00/8,326.32
  6. Step 6: Final answer
    x = 4,165.11

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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.