Home / 7,831.24-11,745.58-2,566.20

Finding the Fourth Proportional to 7,831.24, 11,745.58 and 2,566.20

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Solution

The fourth proportional to 7,831.24, 11,745.58 and 2,566.20 is: 3,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.24 : 11,745.58 = 2,566.20 : x
  2. Step 2: Convert to fraction form
    7,831.24/11,745.58 = 2,566.20/x
  3. Step 3: Cross multiply
    7,831.24x = 11,745.58 × 2,566.20
  4. Step 4: Simplify right side
    7,831.24x = 30,141,507.40
  5. Step 5: Solve for x
    x = 30,141,507.40/7,831.24
  6. Step 6: Final answer
    x = 3,848.88

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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.