Home / 7,513.09-11,270.54-2,831.69

Finding the Fourth Proportional to 7,513.09, 11,270.54 and 2,831.69

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Solution

The fourth proportional to 7,513.09, 11,270.54 and 2,831.69 is: 4,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.09 : 11,270.54 = 2,831.69 : x
  2. Step 2: Convert to fraction form
    7,513.09/11,270.54 = 2,831.69/x
  3. Step 3: Cross multiply
    7,513.09x = 11,270.54 × 2,831.69
  4. Step 4: Simplify right side
    7,513.09x = 31,914,710.67
  5. Step 5: Solve for x
    x = 31,914,710.67/7,513.09
  6. Step 6: Final answer
    x = 4,247.88

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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.