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Finding the Fourth Proportional to 7,047.96, 9,734.16 and 4,805.97

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Solution

The fourth proportional to 7,047.96, 9,734.16 and 4,805.97 is: 6,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.96 : 9,734.16 = 4,805.97 : x
  2. Step 2: Convert to fraction form
    7,047.96/9,734.16 = 4,805.97/x
  3. Step 3: Cross multiply
    7,047.96x = 9,734.16 × 4,805.97
  4. Step 4: Simplify right side
    7,047.96x = 46,782,080.94
  5. Step 5: Solve for x
    x = 46,782,080.94/7,047.96
  6. Step 6: Final answer
    x = 6,637.68

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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.