Home / 4,857.12-7,286.40-1,935.36

Finding the Fourth Proportional to 4,857.12, 7,286.40 and 1,935.36

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Solution

The fourth proportional to 4,857.12, 7,286.40 and 1,935.36 is: 2,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.12 : 7,286.40 = 1,935.36 : x
  2. Step 2: Convert to fraction form
    4,857.12/7,286.40 = 1,935.36/x
  3. Step 3: Cross multiply
    4,857.12x = 7,286.40 × 1,935.36
  4. Step 4: Simplify right side
    4,857.12x = 14,101,807.10
  5. Step 5: Solve for x
    x = 14,101,807.10/4,857.12
  6. Step 6: Final answer
    x = 2,903.33

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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.