Home / 4,767.60-7,151.40-1,992.75

Finding the Fourth Proportional to 4,767.60, 7,151.40 and 1,992.75

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Solution

The fourth proportional to 4,767.60, 7,151.40 and 1,992.75 is: 2,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.60 : 7,151.40 = 1,992.75 : x
  2. Step 2: Convert to fraction form
    4,767.60/7,151.40 = 1,992.75/x
  3. Step 3: Cross multiply
    4,767.60x = 7,151.40 × 1,992.75
  4. Step 4: Simplify right side
    4,767.60x = 14,250,952.35
  5. Step 5: Solve for x
    x = 14,250,952.35/4,767.60
  6. Step 6: Final answer
    x = 2,989.13

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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.