Home / 4,256.52-6,387.30-1,661.40

Finding the Fourth Proportional to 4,256.52, 6,387.30 and 1,661.40

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Solution

The fourth proportional to 4,256.52, 6,387.30 and 1,661.40 is: 2,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.52 : 6,387.30 = 1,661.40 : x
  2. Step 2: Convert to fraction form
    4,256.52/6,387.30 = 1,661.40/x
  3. Step 3: Cross multiply
    4,256.52x = 6,387.30 × 1,661.40
  4. Step 4: Simplify right side
    4,256.52x = 10,611,860.22
  5. Step 5: Solve for x
    x = 10,611,860.22/4,256.52
  6. Step 6: Final answer
    x = 2,493.08

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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.