Home / 4,272.37-6,395.31-3,909.04

Finding the Fourth Proportional to 4,272.37, 6,395.31 and 3,909.04

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Solution

The fourth proportional to 4,272.37, 6,395.31 and 3,909.04 is: 5,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.37 : 6,395.31 = 3,909.04 : x
  2. Step 2: Convert to fraction form
    4,272.37/6,395.31 = 3,909.04/x
  3. Step 3: Cross multiply
    4,272.37x = 6,395.31 × 3,909.04
  4. Step 4: Simplify right side
    4,272.37x = 24,999,506.61
  5. Step 5: Solve for x
    x = 24,999,506.61/4,272.37
  6. Step 6: Final answer
    x = 5,851.44

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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.