Home / 5,864.80-8,783.28-3,394.40

Finding the Fourth Proportional to 5,864.80, 8,783.28 and 3,394.40

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Solution

The fourth proportional to 5,864.80, 8,783.28 and 3,394.40 is: 5,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,864.80 : 8,783.28 = 3,394.40 : x
  2. Step 2: Convert to fraction form
    5,864.80/8,783.28 = 3,394.40/x
  3. Step 3: Cross multiply
    5,864.80x = 8,783.28 × 3,394.40
  4. Step 4: Simplify right side
    5,864.80x = 29,813,965.63
  5. Step 5: Solve for x
    x = 29,813,965.63/5,864.80
  6. Step 6: Final answer
    x = 5,083.54

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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.