Home / 4,262.90-6,392.81-1,631.14

Finding the Fourth Proportional to 4,262.90, 6,392.81 and 1,631.14

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Solution

The fourth proportional to 4,262.90, 6,392.81 and 1,631.14 is: 2,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.90 : 6,392.81 = 1,631.14 : x
  2. Step 2: Convert to fraction form
    4,262.90/6,392.81 = 1,631.14/x
  3. Step 3: Cross multiply
    4,262.90x = 6,392.81 × 1,631.14
  4. Step 4: Simplify right side
    4,262.90x = 10,427,556.20
  5. Step 5: Solve for x
    x = 10,427,556.20/4,262.90
  6. Step 6: Final answer
    x = 2,446.12

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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.