Home / 7,741.80-11,612.82-4,969.68

Finding the Fourth Proportional to 7,741.80, 11,612.82 and 4,969.68

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Solution

The fourth proportional to 7,741.80, 11,612.82 and 4,969.68 is: 7,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.80 : 11,612.82 = 4,969.68 : x
  2. Step 2: Convert to fraction form
    7,741.80/11,612.82 = 4,969.68/x
  3. Step 3: Cross multiply
    7,741.80x = 11,612.82 × 4,969.68
  4. Step 4: Simplify right side
    7,741.80x = 57,711,999.30
  5. Step 5: Solve for x
    x = 57,711,999.30/7,741.80
  6. Step 6: Final answer
    x = 7,454.60

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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.