Home / 6,128.63-9,194.39-2,666.87

Finding the Fourth Proportional to 6,128.63, 9,194.39 and 2,666.87

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Solution

The fourth proportional to 6,128.63, 9,194.39 and 2,666.87 is: 4,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.63 : 9,194.39 = 2,666.87 : x
  2. Step 2: Convert to fraction form
    6,128.63/9,194.39 = 2,666.87/x
  3. Step 3: Cross multiply
    6,128.63x = 9,194.39 × 2,666.87
  4. Step 4: Simplify right side
    6,128.63x = 24,520,229.52
  5. Step 5: Solve for x
    x = 24,520,229.52/6,128.63
  6. Step 6: Final answer
    x = 4,000.93

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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.