Home / 5,491.23-8,235.84-1,488.69

Finding the Fourth Proportional to 5,491.23, 8,235.84 and 1,488.69

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Solution

The fourth proportional to 5,491.23, 8,235.84 and 1,488.69 is: 2,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.23 : 8,235.84 = 1,488.69 : x
  2. Step 2: Convert to fraction form
    5,491.23/8,235.84 = 1,488.69/x
  3. Step 3: Cross multiply
    5,491.23x = 8,235.84 × 1,488.69
  4. Step 4: Simplify right side
    5,491.23x = 12,260,612.65
  5. Step 5: Solve for x
    x = 12,260,612.65/5,491.23
  6. Step 6: Final answer
    x = 2,232.76

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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.