Home / 5,251.98-7,878.39-1,741.86

Finding the Fourth Proportional to 5,251.98, 7,878.39 and 1,741.86

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Solution

The fourth proportional to 5,251.98, 7,878.39 and 1,741.86 is: 2,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.98 : 7,878.39 = 1,741.86 : x
  2. Step 2: Convert to fraction form
    5,251.98/7,878.39 = 1,741.86/x
  3. Step 3: Cross multiply
    5,251.98x = 7,878.39 × 1,741.86
  4. Step 4: Simplify right side
    5,251.98x = 13,723,052.41
  5. Step 5: Solve for x
    x = 13,723,052.41/5,251.98
  6. Step 6: Final answer
    x = 2,612.93

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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.