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Finding the Fourth Proportional to 6,653.07, 9,173.64 and 4,971.64

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Solution

The fourth proportional to 6,653.07, 9,173.64 and 4,971.64 is: 6,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.07 : 9,173.64 = 4,971.64 : x
  2. Step 2: Convert to fraction form
    6,653.07/9,173.64 = 4,971.64/x
  3. Step 3: Cross multiply
    6,653.07x = 9,173.64 × 4,971.64
  4. Step 4: Simplify right side
    6,653.07x = 45,608,035.57
  5. Step 5: Solve for x
    x = 45,608,035.57/6,653.07
  6. Step 6: Final answer
    x = 6,855.19

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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.