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Finding the Fourth Proportional to 5,127.92, 7,690.08 and 1,795.28

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Solution

The fourth proportional to 5,127.92, 7,690.08 and 1,795.28 is: 2,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.92 : 7,690.08 = 1,795.28 : x
  2. Step 2: Convert to fraction form
    5,127.92/7,690.08 = 1,795.28/x
  3. Step 3: Cross multiply
    5,127.92x = 7,690.08 × 1,795.28
  4. Step 4: Simplify right side
    5,127.92x = 13,805,846.82
  5. Step 5: Solve for x
    x = 13,805,846.82/5,127.92
  6. Step 6: Final answer
    x = 2,692.29

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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.