Home / 4,857.56-7,281.42-4,274.36

Finding the Fourth Proportional to 4,857.56, 7,281.42 and 4,274.36

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Solution

The fourth proportional to 4,857.56, 7,281.42 and 4,274.36 is: 6,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.56 : 7,281.42 = 4,274.36 : x
  2. Step 2: Convert to fraction form
    4,857.56/7,281.42 = 4,274.36/x
  3. Step 3: Cross multiply
    4,857.56x = 7,281.42 × 4,274.36
  4. Step 4: Simplify right side
    4,857.56x = 31,123,410.39
  5. Step 5: Solve for x
    x = 31,123,410.39/4,857.56
  6. Step 6: Final answer
    x = 6,407.21

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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.