Home / 6,937.09-10,402.54-2,005.55

Finding the Fourth Proportional to 6,937.09, 10,402.54 and 2,005.55

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Solution

The fourth proportional to 6,937.09, 10,402.54 and 2,005.55 is: 3,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.09 : 10,402.54 = 2,005.55 : x
  2. Step 2: Convert to fraction form
    6,937.09/10,402.54 = 2,005.55/x
  3. Step 3: Cross multiply
    6,937.09x = 10,402.54 × 2,005.55
  4. Step 4: Simplify right side
    6,937.09x = 20,862,835.09
  5. Step 5: Solve for x
    x = 20,862,835.09/6,937.09
  6. Step 6: Final answer
    x = 3,007.43

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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.