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Finding the Fourth Proportional to 6,765.95, 9,330.96 and 4,248.29

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Solution

The fourth proportional to 6,765.95, 9,330.96 and 4,248.29 is: 5,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.95 : 9,330.96 = 4,248.29 : x
  2. Step 2: Convert to fraction form
    6,765.95/9,330.96 = 4,248.29/x
  3. Step 3: Cross multiply
    6,765.95x = 9,330.96 × 4,248.29
  4. Step 4: Simplify right side
    6,765.95x = 39,640,602.82
  5. Step 5: Solve for x
    x = 39,640,602.82/6,765.95
  6. Step 6: Final answer
    x = 5,858.84

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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.