Home / 7,661.29-11,492.93-2,732.35

Finding the Fourth Proportional to 7,661.29, 11,492.93 and 2,732.35

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Solution

The fourth proportional to 7,661.29, 11,492.93 and 2,732.35 is: 4,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.29 : 11,492.93 = 2,732.35 : x
  2. Step 2: Convert to fraction form
    7,661.29/11,492.93 = 2,732.35/x
  3. Step 3: Cross multiply
    7,661.29x = 11,492.93 × 2,732.35
  4. Step 4: Simplify right side
    7,661.29x = 31,402,707.29
  5. Step 5: Solve for x
    x = 31,402,707.29/7,661.29
  6. Step 6: Final answer
    x = 4,098.88

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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.