Home / 7,741.45-11,617.19-2,810.68

Finding the Fourth Proportional to 7,741.45, 11,617.19 and 2,810.68

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Solution

The fourth proportional to 7,741.45, 11,617.19 and 2,810.68 is: 4,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.45 : 11,617.19 = 2,810.68 : x
  2. Step 2: Convert to fraction form
    7,741.45/11,617.19 = 2,810.68/x
  3. Step 3: Cross multiply
    7,741.45x = 11,617.19 × 2,810.68
  4. Step 4: Simplify right side
    7,741.45x = 32,652,203.59
  5. Step 5: Solve for x
    x = 32,652,203.59/7,741.45
  6. Step 6: Final answer
    x = 4,217.84

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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.