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Finding the Fourth Proportional to 7,328.59, 10,961.47 and 6,796.78

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Solution

The fourth proportional to 7,328.59, 10,961.47 and 6,796.78 is: 10,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.59 : 10,961.47 = 6,796.78 : x
  2. Step 2: Convert to fraction form
    7,328.59/10,961.47 = 6,796.78/x
  3. Step 3: Cross multiply
    7,328.59x = 10,961.47 × 6,796.78
  4. Step 4: Simplify right side
    7,328.59x = 74,502,666.08
  5. Step 5: Solve for x
    x = 74,502,666.08/7,328.59
  6. Step 6: Final answer
    x = 10,166.04

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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.