Home / 7,741.87-11,613.45-2,477.65

Finding the Fourth Proportional to 7,741.87, 11,613.45 and 2,477.65

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Solution

The fourth proportional to 7,741.87, 11,613.45 and 2,477.65 is: 3,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.87 : 11,613.45 = 2,477.65 : x
  2. Step 2: Convert to fraction form
    7,741.87/11,613.45 = 2,477.65/x
  3. Step 3: Cross multiply
    7,741.87x = 11,613.45 × 2,477.65
  4. Step 4: Simplify right side
    7,741.87x = 28,774,064.39
  5. Step 5: Solve for x
    x = 28,774,064.39/7,741.87
  6. Step 6: Final answer
    x = 3,716.68

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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.