Home / 5,126.67-7,689.69-2,006.10

Finding the Fourth Proportional to 5,126.67, 7,689.69 and 2,006.10

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Solution

The fourth proportional to 5,126.67, 7,689.69 and 2,006.10 is: 3,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.67 : 7,689.69 = 2,006.10 : x
  2. Step 2: Convert to fraction form
    5,126.67/7,689.69 = 2,006.10/x
  3. Step 3: Cross multiply
    5,126.67x = 7,689.69 × 2,006.10
  4. Step 4: Simplify right side
    5,126.67x = 15,426,287.11
  5. Step 5: Solve for x
    x = 15,426,287.11/5,126.67
  6. Step 6: Final answer
    x = 3,009.03

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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.