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Finding the Fourth Proportional to 7,673.06, 10,585.79 and 4,839.38

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Solution

The fourth proportional to 7,673.06, 10,585.79 and 4,839.38 is: 6,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.06 : 10,585.79 = 4,839.38 : x
  2. Step 2: Convert to fraction form
    7,673.06/10,585.79 = 4,839.38/x
  3. Step 3: Cross multiply
    7,673.06x = 10,585.79 × 4,839.38
  4. Step 4: Simplify right side
    7,673.06x = 51,228,641.13
  5. Step 5: Solve for x
    x = 51,228,641.13/7,673.06
  6. Step 6: Final answer
    x = 6,676.43

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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.