Home / 8,416.28-11,614.48-4,881.56

Finding the Fourth Proportional to 8,416.28, 11,614.48 and 4,881.56

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Solution

The fourth proportional to 8,416.28, 11,614.48 and 4,881.56 is: 6,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.28 : 11,614.48 = 4,881.56 : x
  2. Step 2: Convert to fraction form
    8,416.28/11,614.48 = 4,881.56/x
  3. Step 3: Cross multiply
    8,416.28x = 11,614.48 × 4,881.56
  4. Step 4: Simplify right side
    8,416.28x = 56,696,780.99
  5. Step 5: Solve for x
    x = 56,696,780.99/8,416.28
  6. Step 6: Final answer
    x = 6,736.56

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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.