Home / 5,257.72-7,887.90-1,795

Finding the Fourth Proportional to 5,257.72, 7,887.90 and 1,795

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Solution

The fourth proportional to 5,257.72, 7,887.90 and 1,795 is: 2,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.72 : 7,887.90 = 1,795 : x
  2. Step 2: Convert to fraction form
    5,257.72/7,887.90 = 1,795/x
  3. Step 3: Cross multiply
    5,257.72x = 7,887.90 × 1,795
  4. Step 4: Simplify right side
    5,257.72x = 14,158,780.50
  5. Step 5: Solve for x
    x = 14,158,780.50/5,257.72
  6. Step 6: Final answer
    x = 2,692.95

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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.