Home / 7,622.94-11,434.04-2,000.64

Finding the Fourth Proportional to 7,622.94, 11,434.04 and 2,000.64

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Solution

The fourth proportional to 7,622.94, 11,434.04 and 2,000.64 is: 3,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.94 : 11,434.04 = 2,000.64 : x
  2. Step 2: Convert to fraction form
    7,622.94/11,434.04 = 2,000.64/x
  3. Step 3: Cross multiply
    7,622.94x = 11,434.04 × 2,000.64
  4. Step 4: Simplify right side
    7,622.94x = 22,875,397.79
  5. Step 5: Solve for x
    x = 22,875,397.79/7,622.94
  6. Step 6: Final answer
    x = 3,000.86

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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.