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Finding the Fourth Proportional to 6,567.09, 9,840.87 and 6,404.07

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Solution

The fourth proportional to 6,567.09, 9,840.87 and 6,404.07 is: 9,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,567.09 : 9,840.87 = 6,404.07 : x
  2. Step 2: Convert to fraction form
    6,567.09/9,840.87 = 6,404.07/x
  3. Step 3: Cross multiply
    6,567.09x = 9,840.87 × 6,404.07
  4. Step 4: Simplify right side
    6,567.09x = 63,021,620.34
  5. Step 5: Solve for x
    x = 63,021,620.34/6,567.09
  6. Step 6: Final answer
    x = 9,596.58

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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.