Home / 5,380.71-8,067.69-2,455.26

Finding the Fourth Proportional to 5,380.71, 8,067.69 and 2,455.26

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Solution

The fourth proportional to 5,380.71, 8,067.69 and 2,455.26 is: 3,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.71 : 8,067.69 = 2,455.26 : x
  2. Step 2: Convert to fraction form
    5,380.71/8,067.69 = 2,455.26/x
  3. Step 3: Cross multiply
    5,380.71x = 8,067.69 × 2,455.26
  4. Step 4: Simplify right side
    5,380.71x = 19,808,276.55
  5. Step 5: Solve for x
    x = 19,808,276.55/5,380.71
  6. Step 6: Final answer
    x = 3,681.35

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1.5x scale

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.