Home / 4,105.52-6,158.56-1,332.80

Finding the Fourth Proportional to 4,105.52, 6,158.56 and 1,332.80

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Solution

The fourth proportional to 4,105.52, 6,158.56 and 1,332.80 is: 1,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.52 : 6,158.56 = 1,332.80 : x
  2. Step 2: Convert to fraction form
    4,105.52/6,158.56 = 1,332.80/x
  3. Step 3: Cross multiply
    4,105.52x = 6,158.56 × 1,332.80
  4. Step 4: Simplify right side
    4,105.52x = 8,208,128.77
  5. Step 5: Solve for x
    x = 8,208,128.77/4,105.52
  6. Step 6: Final answer
    x = 1,999.29

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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.