Home / 4,631.70-6,390.75-2,743.87

Finding the Fourth Proportional to 4,631.70, 6,390.75 and 2,743.87

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Solution

The fourth proportional to 4,631.70, 6,390.75 and 2,743.87 is: 3,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.70 : 6,390.75 = 2,743.87 : x
  2. Step 2: Convert to fraction form
    4,631.70/6,390.75 = 2,743.87/x
  3. Step 3: Cross multiply
    4,631.70x = 6,390.75 × 2,743.87
  4. Step 4: Simplify right side
    4,631.70x = 17,535,387.20
  5. Step 5: Solve for x
    x = 17,535,387.20/4,631.70
  6. Step 6: Final answer
    x = 3,785.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.