Home / 8,156.93-12,235.39-2,313.59

Finding the Fourth Proportional to 8,156.93, 12,235.39 and 2,313.59

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Solution

The fourth proportional to 8,156.93, 12,235.39 and 2,313.59 is: 3,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.93 : 12,235.39 = 2,313.59 : x
  2. Step 2: Convert to fraction form
    8,156.93/12,235.39 = 2,313.59/x
  3. Step 3: Cross multiply
    8,156.93x = 12,235.39 × 2,313.59
  4. Step 4: Simplify right side
    8,156.93x = 28,307,608.99
  5. Step 5: Solve for x
    x = 28,307,608.99/8,156.93
  6. Step 6: Final answer
    x = 3,470.38

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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.