Home / 4,262.96-6,391.55-1,488.12

Finding the Fourth Proportional to 4,262.96, 6,391.55 and 1,488.12

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Solution

The fourth proportional to 4,262.96, 6,391.55 and 1,488.12 is: 2,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.96 : 6,391.55 = 1,488.12 : x
  2. Step 2: Convert to fraction form
    4,262.96/6,391.55 = 1,488.12/x
  3. Step 3: Cross multiply
    4,262.96x = 6,391.55 × 1,488.12
  4. Step 4: Simplify right side
    4,262.96x = 9,511,377.41
  5. Step 5: Solve for x
    x = 9,511,377.41/4,262.96
  6. Step 6: Final answer
    x = 2,231.17

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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.