Home / 4,910.65-7,365.93-1,447.90

Finding the Fourth Proportional to 4,910.65, 7,365.93 and 1,447.90

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Solution

The fourth proportional to 4,910.65, 7,365.93 and 1,447.90 is: 2,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.65 : 7,365.93 = 1,447.90 : x
  2. Step 2: Convert to fraction form
    4,910.65/7,365.93 = 1,447.90/x
  3. Step 3: Cross multiply
    4,910.65x = 7,365.93 × 1,447.90
  4. Step 4: Simplify right side
    4,910.65x = 10,665,130.05
  5. Step 5: Solve for x
    x = 10,665,130.05/4,910.65
  6. Step 6: Final answer
    x = 2,171.84

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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.