Home / 4,453.71-6,678.31-1,491.11

Finding the Fourth Proportional to 4,453.71, 6,678.31 and 1,491.11

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Solution

The fourth proportional to 4,453.71, 6,678.31 and 1,491.11 is: 2,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.71 : 6,678.31 = 1,491.11 : x
  2. Step 2: Convert to fraction form
    4,453.71/6,678.31 = 1,491.11/x
  3. Step 3: Cross multiply
    4,453.71x = 6,678.31 × 1,491.11
  4. Step 4: Simplify right side
    4,453.71x = 9,958,053.98
  5. Step 5: Solve for x
    x = 9,958,053.98/4,453.71
  6. Step 6: Final answer
    x = 2,235.90

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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.