Home / 4,525.02-6,786.90-1,238.40

Finding the Fourth Proportional to 4,525.02, 6,786.90 and 1,238.40

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Solution

The fourth proportional to 4,525.02, 6,786.90 and 1,238.40 is: 1,857.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,525.02 : 6,786.90 = 1,238.40 : x
  2. Step 2: Convert to fraction form
    4,525.02/6,786.90 = 1,238.40/x
  3. Step 3: Cross multiply
    4,525.02x = 6,786.90 × 1,238.40
  4. Step 4: Simplify right side
    4,525.02x = 8,404,896.96
  5. Step 5: Solve for x
    x = 8,404,896.96/4,525.02
  6. Step 6: Final answer
    x = 1,857.43

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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.