Home / 6,877.31-10,299.18-6,211.72

Finding the Fourth Proportional to 6,877.31, 10,299.18 and 6,211.72

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Solution

The fourth proportional to 6,877.31, 10,299.18 and 6,211.72 is: 9,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.31 : 10,299.18 = 6,211.72 : x
  2. Step 2: Convert to fraction form
    6,877.31/10,299.18 = 6,211.72/x
  3. Step 3: Cross multiply
    6,877.31x = 10,299.18 × 6,211.72
  4. Step 4: Simplify right side
    6,877.31x = 63,975,658.56
  5. Step 5: Solve for x
    x = 63,975,658.56/6,877.31
  6. Step 6: Final answer
    x = 9,302.43

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1.5x scale

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.