Home / 7,497.70-11,237.55-3,112.90

Finding the Fourth Proportional to 7,497.70, 11,237.55 and 3,112.90

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Solution

The fourth proportional to 7,497.70, 11,237.55 and 3,112.90 is: 4,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.70 : 11,237.55 = 3,112.90 : x
  2. Step 2: Convert to fraction form
    7,497.70/11,237.55 = 3,112.90/x
  3. Step 3: Cross multiply
    7,497.70x = 11,237.55 × 3,112.90
  4. Step 4: Simplify right side
    7,497.70x = 34,981,369.40
  5. Step 5: Solve for x
    x = 34,981,369.40/7,497.70
  6. Step 6: Final answer
    x = 4,665.61

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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.