Home / 4,262.92-6,395.20-1,490.38

Finding the Fourth Proportional to 4,262.92, 6,395.20 and 1,490.38

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Solution

The fourth proportional to 4,262.92, 6,395.20 and 1,490.38 is: 2,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.92 : 6,395.20 = 1,490.38 : x
  2. Step 2: Convert to fraction form
    4,262.92/6,395.20 = 1,490.38/x
  3. Step 3: Cross multiply
    4,262.92x = 6,395.20 × 1,490.38
  4. Step 4: Simplify right side
    4,262.92x = 9,531,258.46
  5. Step 5: Solve for x
    x = 9,531,258.46/4,262.92
  6. Step 6: Final answer
    x = 2,235.85

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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.