Home / 7,669.68-11,501.31-2,402.88

Finding the Fourth Proportional to 7,669.68, 11,501.31 and 2,402.88

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Solution

The fourth proportional to 7,669.68, 11,501.31 and 2,402.88 is: 3,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.68 : 11,501.31 = 2,402.88 : x
  2. Step 2: Convert to fraction form
    7,669.68/11,501.31 = 2,402.88/x
  3. Step 3: Cross multiply
    7,669.68x = 11,501.31 × 2,402.88
  4. Step 4: Simplify right side
    7,669.68x = 27,636,267.77
  5. Step 5: Solve for x
    x = 27,636,267.77/7,669.68
  6. Step 6: Final answer
    x = 3,603.31

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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.