Home / 4,151.40-6,227.38-1,686.20

Finding the Fourth Proportional to 4,151.40, 6,227.38 and 1,686.20

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Solution

The fourth proportional to 4,151.40, 6,227.38 and 1,686.20 is: 2,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.40 : 6,227.38 = 1,686.20 : x
  2. Step 2: Convert to fraction form
    4,151.40/6,227.38 = 1,686.20/x
  3. Step 3: Cross multiply
    4,151.40x = 6,227.38 × 1,686.20
  4. Step 4: Simplify right side
    4,151.40x = 10,500,608.16
  5. Step 5: Solve for x
    x = 10,500,608.16/4,151.40
  6. Step 6: Final answer
    x = 2,529.41

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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.