Home / 7,488.98-11,235.46-2,558.61

Finding the Fourth Proportional to 7,488.98, 11,235.46 and 2,558.61

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Solution

The fourth proportional to 7,488.98, 11,235.46 and 2,558.61 is: 3,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.98 : 11,235.46 = 2,558.61 : x
  2. Step 2: Convert to fraction form
    7,488.98/11,235.46 = 2,558.61/x
  3. Step 3: Cross multiply
    7,488.98x = 11,235.46 × 2,558.61
  4. Step 4: Simplify right side
    7,488.98x = 28,747,160.31
  5. Step 5: Solve for x
    x = 28,747,160.31/7,488.98
  6. Step 6: Final answer
    x = 3,838.59

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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.