Home / 7,974.24-11,004.96-4,831.20

Finding the Fourth Proportional to 7,974.24, 11,004.96 and 4,831.20

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Solution

The fourth proportional to 7,974.24, 11,004.96 and 4,831.20 is: 6,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.24 : 11,004.96 = 4,831.20 : x
  2. Step 2: Convert to fraction form
    7,974.24/11,004.96 = 4,831.20/x
  3. Step 3: Cross multiply
    7,974.24x = 11,004.96 × 4,831.20
  4. Step 4: Simplify right side
    7,974.24x = 53,167,162.75
  5. Step 5: Solve for x
    x = 53,167,162.75/7,974.24
  6. Step 6: Final answer
    x = 6,667.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.