Home / 8,932.44-12,328.18-5,396.16

Finding the Fourth Proportional to 8,932.44, 12,328.18 and 5,396.16

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Solution

The fourth proportional to 8,932.44, 12,328.18 and 5,396.16 is: 7,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.44 : 12,328.18 = 5,396.16 : x
  2. Step 2: Convert to fraction form
    8,932.44/12,328.18 = 5,396.16/x
  3. Step 3: Cross multiply
    8,932.44x = 12,328.18 × 5,396.16
  4. Step 4: Simplify right side
    8,932.44x = 66,524,831.79
  5. Step 5: Solve for x
    x = 66,524,831.79/8,932.44
  6. Step 6: Final answer
    x = 7,447.55

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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.