Home / 9,220.24-13,831.72-2,978.17

Finding the Fourth Proportional to 9,220.24, 13,831.72 and 2,978.17

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Solution

The fourth proportional to 9,220.24, 13,831.72 and 2,978.17 is: 4,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.24 : 13,831.72 = 2,978.17 : x
  2. Step 2: Convert to fraction form
    9,220.24/13,831.72 = 2,978.17/x
  3. Step 3: Cross multiply
    9,220.24x = 13,831.72 × 2,978.17
  4. Step 4: Simplify right side
    9,220.24x = 41,193,213.55
  5. Step 5: Solve for x
    x = 41,193,213.55/9,220.24
  6. Step 6: Final answer
    x = 4,467.69

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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.