Home / 8,156.34-12,236.58-3,776.94

Finding the Fourth Proportional to 8,156.34, 12,236.58 and 3,776.94

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Solution

The fourth proportional to 8,156.34, 12,236.58 and 3,776.94 is: 5,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.34 : 12,236.58 = 3,776.94 : x
  2. Step 2: Convert to fraction form
    8,156.34/12,236.58 = 3,776.94/x
  3. Step 3: Cross multiply
    8,156.34x = 12,236.58 × 3,776.94
  4. Step 4: Simplify right side
    8,156.34x = 46,216,828.47
  5. Step 5: Solve for x
    x = 46,216,828.47/8,156.34
  6. Step 6: Final answer
    x = 5,666.37

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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.