Home / 8,156.92-12,237.40-2,313.58

Finding the Fourth Proportional to 8,156.92, 12,237.40 and 2,313.58

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Solution

The fourth proportional to 8,156.92, 12,237.40 and 2,313.58 is: 3,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.92 : 12,237.40 = 2,313.58 : x
  2. Step 2: Convert to fraction form
    8,156.92/12,237.40 = 2,313.58/x
  3. Step 3: Cross multiply
    8,156.92x = 12,237.40 × 2,313.58
  4. Step 4: Simplify right side
    8,156.92x = 28,312,203.89
  5. Step 5: Solve for x
    x = 28,312,203.89/8,156.92
  6. Step 6: Final answer
    x = 3,470.94

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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.