Home / 8,274.42-11,419.30-4,737.78

Finding the Fourth Proportional to 8,274.42, 11,419.30 and 4,737.78

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Solution

The fourth proportional to 8,274.42, 11,419.30 and 4,737.78 is: 6,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.42 : 11,419.30 = 4,737.78 : x
  2. Step 2: Convert to fraction form
    8,274.42/11,419.30 = 4,737.78/x
  3. Step 3: Cross multiply
    8,274.42x = 11,419.30 × 4,737.78
  4. Step 4: Simplify right side
    8,274.42x = 54,102,131.15
  5. Step 5: Solve for x
    x = 54,102,131.15/8,274.42
  6. Step 6: Final answer
    x = 6,538.48

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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.