Home / 4,257.86-6,387.08-1,137.85

Finding the Fourth Proportional to 4,257.86, 6,387.08 and 1,137.85

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Solution

The fourth proportional to 4,257.86, 6,387.08 and 1,137.85 is: 1,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.86 : 6,387.08 = 1,137.85 : x
  2. Step 2: Convert to fraction form
    4,257.86/6,387.08 = 1,137.85/x
  3. Step 3: Cross multiply
    4,257.86x = 6,387.08 × 1,137.85
  4. Step 4: Simplify right side
    4,257.86x = 7,267,507.04
  5. Step 5: Solve for x
    x = 7,267,507.04/4,257.86
  6. Step 6: Final answer
    x = 1,706.85

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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.