Home / 7,831.16-11,743.09-2,900.69

Finding the Fourth Proportional to 7,831.16, 11,743.09 and 2,900.69

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Solution

The fourth proportional to 7,831.16, 11,743.09 and 2,900.69 is: 4,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.16 : 11,743.09 = 2,900.69 : x
  2. Step 2: Convert to fraction form
    7,831.16/11,743.09 = 2,900.69/x
  3. Step 3: Cross multiply
    7,831.16x = 11,743.09 × 2,900.69
  4. Step 4: Simplify right side
    7,831.16x = 34,062,997.76
  5. Step 5: Solve for x
    x = 34,062,997.76/7,831.16
  6. Step 6: Final answer
    x = 4,349.68

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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.