Home / 5,156.06-7,729.43-2,692.64

Finding the Fourth Proportional to 5,156.06, 7,729.43 and 2,692.64

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Solution

The fourth proportional to 5,156.06, 7,729.43 and 2,692.64 is: 4,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.06 : 7,729.43 = 2,692.64 : x
  2. Step 2: Convert to fraction form
    5,156.06/7,729.43 = 2,692.64/x
  3. Step 3: Cross multiply
    5,156.06x = 7,729.43 × 2,692.64
  4. Step 4: Simplify right side
    5,156.06x = 20,812,578.26
  5. Step 5: Solve for x
    x = 20,812,578.26/5,156.06
  6. Step 6: Final answer
    x = 4,036.53

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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.