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Finding the Fourth Proportional to 6,394.72, 9,590.72 and 2,011.16

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Solution

The fourth proportional to 6,394.72, 9,590.72 and 2,011.16 is: 3,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.72 : 9,590.72 = 2,011.16 : x
  2. Step 2: Convert to fraction form
    6,394.72/9,590.72 = 2,011.16/x
  3. Step 3: Cross multiply
    6,394.72x = 9,590.72 × 2,011.16
  4. Step 4: Simplify right side
    6,394.72x = 19,288,472.44
  5. Step 5: Solve for x
    x = 19,288,472.44/6,394.72
  6. Step 6: Final answer
    x = 3,016.31

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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.