Home / 4,128.31-6,192.67-1,353.86

Finding the Fourth Proportional to 4,128.31, 6,192.67 and 1,353.86

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Solution

The fourth proportional to 4,128.31, 6,192.67 and 1,353.86 is: 2,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.31 : 6,192.67 = 1,353.86 : x
  2. Step 2: Convert to fraction form
    4,128.31/6,192.67 = 1,353.86/x
  3. Step 3: Cross multiply
    4,128.31x = 6,192.67 × 1,353.86
  4. Step 4: Simplify right side
    4,128.31x = 8,384,008.21
  5. Step 5: Solve for x
    x = 8,384,008.21/4,128.31
  6. Step 6: Final answer
    x = 2,030.86

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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.