Home / 5,779.60-7,976.82-3,423.04

Finding the Fourth Proportional to 5,779.60, 7,976.82 and 3,423.04

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Solution

The fourth proportional to 5,779.60, 7,976.82 and 3,423.04 is: 4,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.60 : 7,976.82 = 3,423.04 : x
  2. Step 2: Convert to fraction form
    5,779.60/7,976.82 = 3,423.04/x
  3. Step 3: Cross multiply
    5,779.60x = 7,976.82 × 3,423.04
  4. Step 4: Simplify right side
    5,779.60x = 27,304,973.93
  5. Step 5: Solve for x
    x = 27,304,973.93/5,779.60
  6. Step 6: Final answer
    x = 4,724.37

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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.