Home / 4,763.48-7,141.34-1,992.20

Finding the Fourth Proportional to 4,763.48, 7,141.34 and 1,992.20

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Solution

The fourth proportional to 4,763.48, 7,141.34 and 1,992.20 is: 2,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.48 : 7,141.34 = 1,992.20 : x
  2. Step 2: Convert to fraction form
    4,763.48/7,141.34 = 1,992.20/x
  3. Step 3: Cross multiply
    4,763.48x = 7,141.34 × 1,992.20
  4. Step 4: Simplify right side
    4,763.48x = 14,226,977.55
  5. Step 5: Solve for x
    x = 14,226,977.55/4,763.48
  6. Step 6: Final answer
    x = 2,986.68

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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.