Home / 8,157.08-12,235.57-2,313.69

Finding the Fourth Proportional to 8,157.08, 12,235.57 and 2,313.69

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Solution

The fourth proportional to 8,157.08, 12,235.57 and 2,313.69 is: 3,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.08 : 12,235.57 = 2,313.69 : x
  2. Step 2: Convert to fraction form
    8,157.08/12,235.57 = 2,313.69/x
  3. Step 3: Cross multiply
    8,157.08x = 12,235.57 × 2,313.69
  4. Step 4: Simplify right side
    8,157.08x = 28,309,315.95
  5. Step 5: Solve for x
    x = 28,309,315.95/8,157.08
  6. Step 6: Final answer
    x = 3,470.52

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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.