Home / 7,690.71-11,537.55-3,010.53

Finding the Fourth Proportional to 7,690.71, 11,537.55 and 3,010.53

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Solution

The fourth proportional to 7,690.71, 11,537.55 and 3,010.53 is: 4,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.71 : 11,537.55 = 3,010.53 : x
  2. Step 2: Convert to fraction form
    7,690.71/11,537.55 = 3,010.53/x
  3. Step 3: Cross multiply
    7,690.71x = 11,537.55 × 3,010.53
  4. Step 4: Simplify right side
    7,690.71x = 34,734,140.40
  5. Step 5: Solve for x
    x = 34,734,140.40/7,690.71
  6. Step 6: Final answer
    x = 4,516.38

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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.