Home / 5,682.60-7,818.66-5,551.38

Finding the Fourth Proportional to 5,682.60, 7,818.66 and 5,551.38

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Solution

The fourth proportional to 5,682.60, 7,818.66 and 5,551.38 is: 7,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.60 : 7,818.66 = 5,551.38 : x
  2. Step 2: Convert to fraction form
    5,682.60/7,818.66 = 5,551.38/x
  3. Step 3: Cross multiply
    5,682.60x = 7,818.66 × 5,551.38
  4. Step 4: Simplify right side
    5,682.60x = 43,404,352.75
  5. Step 5: Solve for x
    x = 43,404,352.75/5,682.60
  6. Step 6: Final answer
    x = 7,638.12

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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.