Home / 6,897.50-10,348.29-3,977.90

Finding the Fourth Proportional to 6,897.50, 10,348.29 and 3,977.90

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Solution

The fourth proportional to 6,897.50, 10,348.29 and 3,977.90 is: 5,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.50 : 10,348.29 = 3,977.90 : x
  2. Step 2: Convert to fraction form
    6,897.50/10,348.29 = 3,977.90/x
  3. Step 3: Cross multiply
    6,897.50x = 10,348.29 × 3,977.90
  4. Step 4: Simplify right side
    6,897.50x = 41,164,462.79
  5. Step 5: Solve for x
    x = 41,164,462.79/6,897.50
  6. Step 6: Final answer
    x = 5,968.03

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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.