Home / 6,438.09-9,654.16-2,927.96

Finding the Fourth Proportional to 6,438.09, 9,654.16 and 2,927.96

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Solution

The fourth proportional to 6,438.09, 9,654.16 and 2,927.96 is: 4,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.09 : 9,654.16 = 2,927.96 : x
  2. Step 2: Convert to fraction form
    6,438.09/9,654.16 = 2,927.96/x
  3. Step 3: Cross multiply
    6,438.09x = 9,654.16 × 2,927.96
  4. Step 4: Simplify right side
    6,438.09x = 28,266,938.72
  5. Step 5: Solve for x
    x = 28,266,938.72/6,438.09
  6. Step 6: Final answer
    x = 4,390.58

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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.