Home / 7,681.51-11,527.55-2,683.91

Finding the Fourth Proportional to 7,681.51, 11,527.55 and 2,683.91

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Solution

The fourth proportional to 7,681.51, 11,527.55 and 2,683.91 is: 4,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.51 : 11,527.55 = 2,683.91 : x
  2. Step 2: Convert to fraction form
    7,681.51/11,527.55 = 2,683.91/x
  3. Step 3: Cross multiply
    7,681.51x = 11,527.55 × 2,683.91
  4. Step 4: Simplify right side
    7,681.51x = 30,938,906.72
  5. Step 5: Solve for x
    x = 30,938,906.72/7,681.51
  6. Step 6: Final answer
    x = 4,027.71

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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.