Home / 8,416.12-11,614.32-4,639.42

Finding the Fourth Proportional to 8,416.12, 11,614.32 and 4,639.42

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Solution

The fourth proportional to 8,416.12, 11,614.32 and 4,639.42 is: 6,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.12 : 11,614.32 = 4,639.42 : x
  2. Step 2: Convert to fraction form
    8,416.12/11,614.32 = 4,639.42/x
  3. Step 3: Cross multiply
    8,416.12x = 11,614.32 × 4,639.42
  4. Step 4: Simplify right side
    8,416.12x = 53,883,627.23
  5. Step 5: Solve for x
    x = 53,883,627.23/8,416.12
  6. Step 6: Final answer
    x = 6,402.43

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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.