Home / 7,792.48-11,688.64-1,949.12

Finding the Fourth Proportional to 7,792.48, 11,688.64 and 1,949.12

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Solution

The fourth proportional to 7,792.48, 11,688.64 and 1,949.12 is: 2,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.48 : 11,688.64 = 1,949.12 : x
  2. Step 2: Convert to fraction form
    7,792.48/11,688.64 = 1,949.12/x
  3. Step 3: Cross multiply
    7,792.48x = 11,688.64 × 1,949.12
  4. Step 4: Simplify right side
    7,792.48x = 22,782,562.00
  5. Step 5: Solve for x
    x = 22,782,562.00/7,792.48
  6. Step 6: Final answer
    x = 2,923.66

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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.