Home / 6,877.42-9,491.30-3,893.24

Finding the Fourth Proportional to 6,877.42, 9,491.30 and 3,893.24

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Solution

The fourth proportional to 6,877.42, 9,491.30 and 3,893.24 is: 5,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.42 : 9,491.30 = 3,893.24 : x
  2. Step 2: Convert to fraction form
    6,877.42/9,491.30 = 3,893.24/x
  3. Step 3: Cross multiply
    6,877.42x = 9,491.30 × 3,893.24
  4. Step 4: Simplify right side
    6,877.42x = 36,951,908.81
  5. Step 5: Solve for x
    x = 36,951,908.81/6,877.42
  6. Step 6: Final answer
    x = 5,372.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.