Home / 6,899.76-10,341.42-3,972

Finding the Fourth Proportional to 6,899.76, 10,341.42 and 3,972

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Solution

The fourth proportional to 6,899.76, 10,341.42 and 3,972 is: 5,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.76 : 10,341.42 = 3,972 : x
  2. Step 2: Convert to fraction form
    6,899.76/10,341.42 = 3,972/x
  3. Step 3: Cross multiply
    6,899.76x = 10,341.42 × 3,972
  4. Step 4: Simplify right side
    6,899.76x = 41,076,120.24
  5. Step 5: Solve for x
    x = 41,076,120.24/6,899.76
  6. Step 6: Final answer
    x = 5,953.27

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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.