Home / 4,677.31-6,456.79-3,084.90

Finding the Fourth Proportional to 4,677.31, 6,456.79 and 3,084.90

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Solution

The fourth proportional to 4,677.31, 6,456.79 and 3,084.90 is: 4,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.31 : 6,456.79 = 3,084.90 : x
  2. Step 2: Convert to fraction form
    4,677.31/6,456.79 = 3,084.90/x
  3. Step 3: Cross multiply
    4,677.31x = 6,456.79 × 3,084.90
  4. Step 4: Simplify right side
    4,677.31x = 19,918,551.47
  5. Step 5: Solve for x
    x = 19,918,551.47/4,677.31
  6. Step 6: Final answer
    x = 4,258.55

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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.