Home / 5,784.38-7,982.58-3,396.06

Finding the Fourth Proportional to 5,784.38, 7,982.58 and 3,396.06

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Solution

The fourth proportional to 5,784.38, 7,982.58 and 3,396.06 is: 4,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.38 : 7,982.58 = 3,396.06 : x
  2. Step 2: Convert to fraction form
    5,784.38/7,982.58 = 3,396.06/x
  3. Step 3: Cross multiply
    5,784.38x = 7,982.58 × 3,396.06
  4. Step 4: Simplify right side
    5,784.38x = 27,109,320.63
  5. Step 5: Solve for x
    x = 27,109,320.63/5,784.38
  6. Step 6: Final answer
    x = 4,686.64

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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.