Home / 7,689.21-11,537.47-4,575.37

Finding the Fourth Proportional to 7,689.21, 11,537.47 and 4,575.37

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Solution

The fourth proportional to 7,689.21, 11,537.47 and 4,575.37 is: 6,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.21 : 11,537.47 = 4,575.37 : x
  2. Step 2: Convert to fraction form
    7,689.21/11,537.47 = 4,575.37/x
  3. Step 3: Cross multiply
    7,689.21x = 11,537.47 × 4,575.37
  4. Step 4: Simplify right side
    7,689.21x = 52,788,212.20
  5. Step 5: Solve for x
    x = 52,788,212.20/7,689.21
  6. Step 6: Final answer
    x = 6,865.23

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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.