Home / 8,116.80-12,174.72-2,274.24

Finding the Fourth Proportional to 8,116.80, 12,174.72 and 2,274.24

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Solution

The fourth proportional to 8,116.80, 12,174.72 and 2,274.24 is: 3,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.80 : 12,174.72 = 2,274.24 : x
  2. Step 2: Convert to fraction form
    8,116.80/12,174.72 = 2,274.24/x
  3. Step 3: Cross multiply
    8,116.80x = 12,174.72 × 2,274.24
  4. Step 4: Simplify right side
    8,116.80x = 27,688,235.21
  5. Step 5: Solve for x
    x = 27,688,235.21/8,116.80
  6. Step 6: Final answer
    x = 3,411.23

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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.