Home / 4,129.47-6,195.24-1,356.30

Finding the Fourth Proportional to 4,129.47, 6,195.24 and 1,356.30

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Solution

The fourth proportional to 4,129.47, 6,195.24 and 1,356.30 is: 2,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.47 : 6,195.24 = 1,356.30 : x
  2. Step 2: Convert to fraction form
    4,129.47/6,195.24 = 1,356.30/x
  3. Step 3: Cross multiply
    4,129.47x = 6,195.24 × 1,356.30
  4. Step 4: Simplify right side
    4,129.47x = 8,402,604.01
  5. Step 5: Solve for x
    x = 8,402,604.01/4,129.47
  6. Step 6: Final answer
    x = 2,034.79

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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.