Home / 7,154.98-10,728.29-3,257.26

Finding the Fourth Proportional to 7,154.98, 10,728.29 and 3,257.26

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Solution

The fourth proportional to 7,154.98, 10,728.29 and 3,257.26 is: 4,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.98 : 10,728.29 = 3,257.26 : x
  2. Step 2: Convert to fraction form
    7,154.98/10,728.29 = 3,257.26/x
  3. Step 3: Cross multiply
    7,154.98x = 10,728.29 × 3,257.26
  4. Step 4: Simplify right side
    7,154.98x = 34,944,813.60
  5. Step 5: Solve for x
    x = 34,944,813.60/7,154.98
  6. Step 6: Final answer
    x = 4,883.98

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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.