Home / 4,260.90-6,392.14-1,663.68

Finding the Fourth Proportional to 4,260.90, 6,392.14 and 1,663.68

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Solution

The fourth proportional to 4,260.90, 6,392.14 and 1,663.68 is: 2,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.90 : 6,392.14 = 1,663.68 : x
  2. Step 2: Convert to fraction form
    4,260.90/6,392.14 = 1,663.68/x
  3. Step 3: Cross multiply
    4,260.90x = 6,392.14 × 1,663.68
  4. Step 4: Simplify right side
    4,260.90x = 10,634,475.48
  5. Step 5: Solve for x
    x = 10,634,475.48/4,260.90
  6. Step 6: Final answer
    x = 2,495.83

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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.